diff --git a/application/views/bootstrap3/refresh_mobile_first_urls.php b/application/views/bootstrap3/refresh_mobile_first_urls.php
index 32762bf4..eaa0f2de 100644
--- a/application/views/bootstrap3/refresh_mobile_first_urls.php
+++ b/application/views/bootstrap3/refresh_mobile_first_urls.php
@@ -35,7 +35,7 @@
 
     function create_amp_data(index) {
         if ($('#cache_url' + index).length > 0) {
-            setTimeout("batch_update_amp(" + index + ")", 500);
+            setTimeout("batch_update_amp(" + index + ")", 100);
         }
     }
 
diff --git a/application/views/mobile_first/ch-pc.php b/application/views/mobile_first/ch-pc.php
index 58c6a0bb..c5e8d898 100644
--- a/application/views/mobile_first/ch-pc.php
+++ b/application/views/mobile_first/ch-pc.php
@@ -9,7 +9,6 @@
     <meta name="apple-mobile-web-app-title" content="China Highlights - Since 1998!">
     <meta name="keywords" content="<!--@KEYWORDS@-->">
     <meta name="description" content="<!--@DESCRIPTION@-->">
-    <meta name="robots" content="max-image-preview:large">
     <!--@OG:IMAGE@-->
     <link rel="canonical" href="<!--@CANONICAL@-->">
     <link rel="shortcut icon" href="/favicon.ico">
@@ -56,7 +55,7 @@
                         <ul class="list-reset sidebar">
                             <li class="start-nav-item"><a href="/tour/top-china-tours/">Top 10 Tours</a></li>
                             <li class="start-nav-item"><a href="/tour/family-tours/">Family Tours</a></li>
-                            <li class="start-nav-item"><a href="/tour/year.htm">China Tours 2020</a></li>
+                            <li class="start-nav-item"><a href="/tour/year.htm">China Tours 2021</a></li>
                             <li class="start-nav-item"><a href="/tour/china-panda-tours/">Panda Tours</a></li>
                             <li class="start-nav-item"><a href="/greatwall/hiking.htm">Great Wall Hiking</a></li>
                             <li class="start-nav-item"><a href="/tour/china-nature-tours/">Nature Tours</a></li>
@@ -188,61 +187,59 @@
                                                                                     class="fa fa-caret-right"></i></a></span>
 
 </span>
-        <div class="chbottomlogo">
-            <img src="https://data.chinahighlights.com/pic/logo/china-highlights-bottom-logo.png" alt="China Highlights Logo">
-        </div>
     </div>
 
     <div class="footerbox">
-        <div class="row">
-            <div class="aboutusleft">
 
-                <div class="bottomaboutus">
-                    <div class="bottompctitle">About Us</div>
-                    <div class="aboutusinfo">China Highlights tailor-makes China tours to help travelers discover China
-                        their way. We're a passionate team of one hundred avid travelers who love to share our knowledge
-                        of China with those looking for a more authentic travel experience, <a href="/aboutus/">more
-                            ...</a></div>
+        <div class="aboutusleft">
 
+            <div class="bottomaboutus">
+                <img src="https://data.chinahighlights.com/grey.gif" loader="lazy" originalsrc="https://data.chinahighlights.com/pic/logo/bottom-logo-b.png" width="180px" style="float: left;
+                   margin-right: 30px;">
+                <div class="aboutusinfo">China Highlights tailor-makes China tours to help travelers discover China
+                    their way. We're a passionate team of one hundred avid travelers who love to share our knowledge
+                    of China with those looking for a more authentic travel experience, <a href="/aboutus/">more
+                        ...</a></div>
 
-                </div>
 
+            </div>
 
-                <div class="bottomfollowus">
-                    <div class="bottompctitle">Follow Us</div>
 
+            <div class="bottomfollowus">
+                <div class="bottompctitle">Follow Us</div>
 
-                    <ul>
-                        <li><a href="https://www.facebook.com/Chinahighlights" rel="nofollow"
-                               title="Follow us on Facebook" class="fb" target="_blank">
-                                <i class="fa fa-facebook"></i>Facebook
 
-                            </a></li>
-                        <li><a href="https://twitter.com/Chinahighlights" rel="nofollow" title="Share us on Twitter"
-                               class="tw" target="_blank"> <i class="fa fa-twitter"></i>Twitter </a></li>
-                        <li><a href="https://www.instagram.com/chinahighlights/" rel="nofollow"
-                               title="Follow us on Instagram" class="linkin" target="_blank">
-                                <i class="fa fa-instagram" aria-hidden="true"></i>
-                                Instagram </a></li>
-                        <li><i class="fab fa-weixin" aria-hidden="true"></i></li>
+                <ul>
+                    <li><a href="https://www.facebook.com/Chinahighlights" rel="nofollow"
+                           title="Follow us on Facebook" class="fb" target="_blank">
+                            <i class="fa fa-facebook"></i>Facebook
 
-                    </ul>
-                </div>
+                        </a></li>
+                    <li><a href="https://twitter.com/Chinahighlights" rel="nofollow" title="Share us on Twitter"
+                           class="tw" target="_blank"> <i class="fa fa-twitter"></i>Twitter </a></li>
+                    <li><a href="https://www.instagram.com/chinahighlights/" rel="nofollow"
+                           title="Follow us on Instagram" class="linkin" target="_blank">
+                            <i class="fa fa-instagram" aria-hidden="true"></i>
+                            Instagram </a></li>
+                    <li><i class="fab fa-weixin" aria-hidden="true"></i></li>
 
+                </ul>
             </div>
 
+        </div>
 
-            <div class="aboutusright">
 
-                <div class="bottompctitle">Featured on</div>
-                <img src="https://data.chinahighlights.com/grey.gif" loader="lazy" originalsrc="https://data.chinahighlights.com/pic/guide/info-template-feature-on.png" alt="info template feature on"
-                     class="img-responsive bottomfeature">
+        <div class="aboutusright">
+
+            <div class="bottompctitle">Featured on</div>
+            <img src="https://data.chinahighlights.com/grey.gif" loader="lazy" originalsrc="https://data.chinahighlights.com/pic/guide/info-template-feature-on.png" alt="info template feature on"
+                 class="img-responsive bottomfeature">
 
 
-            </div>
         </div>
+
         <div class="clear"></div>
-        <div class="row bottomaboutuslinks">
+        <div class="bottomaboutuslinks">
             <div class="bottomlinksleft">
                 <ul class="withBorder">
                     <li><a href="https://www.chinahighlights.com/aboutus/" rel="nofollow">About us</a></li>
@@ -277,15 +274,15 @@
 
 <div class="bottomlogo">
     <div class="footerbox">
-        <div class="row">
-            <img src="https://data.chinahighlights.com/grey.gif"
-                 originalsrc="https://data.chinahighlights.com/pic/guide/info-template-bottom-logo.jpg"
-                 loader="lazy"
-                 class="img-responsive bottomlogopc">
-            <span class="bottomcopyright">© 1998-2021 China Highlights — Discovery Your Way!  </span>
-            <span class="bottomprivacy"><a href="/privacy.htm">Privacy Policy</a>  |  <a
-                        href="/aboutus/terms.htm">Terms</a></span>
-        </div>
+
+        <img src="https://data.chinahighlights.com/grey.gif"
+             originalsrc="https://data.chinahighlights.com/pic/guide/info-template-bottom-logo.jpg"
+             loader="lazy"
+             class="img-responsive bottomlogopc">
+        <span class="bottomcopyright">© 1998-2021 China Highlights — Discovery Your Way!  </span>
+        <span class="bottomprivacy"><a href="/privacy.htm">Privacy Policy</a>  |  <a
+                    href="/aboutus/terms.htm">Terms</a></span>
+
     </div>
 </div>
 <!--@PRODUCT-JS@-->
diff --git a/application/views/mobile_first/ch.php b/application/views/mobile_first/ch.php
index 73e21de9..3c04ad77 100644
--- a/application/views/mobile_first/ch.php
+++ b/application/views/mobile_first/ch.php
@@ -7,7 +7,6 @@
     <meta name="description" content="<!--@DESCRIPTION@-->">
     <link rel="canonical" href="<!--@CANONICAL@-->">
     <meta content="width=device-width,minimum-scale=1,initial-scale=1" name="viewport">
-    <meta name="robots" content="max-image-preview:large">
     <!--@OG:IMAGE@-->
     <link rel="shortcut icon" href="//data.chinahighlights.com/favicon.ico">
     <!--@MAIN-CSS@-->
@@ -191,33 +190,31 @@
 <footer>
     <div class="infotailor">
 <span class="infotailorword">We are here to help you...<br> start planning your tailor-made China tour with 1-1 help from our travel advisors.
-<span class="infotailormade"><a href="https://www.chinahighlights.com/tour/create-my-trip.htm">Create Your Trip <i
-                aria-hidden="true" class="fa fa-caret-right"></i></a></span>
+<span class="infotailormade"><a href="https://www.chinahighlights.com/tour/create-my-trip.htm">Create Your Trip <i aria-hidden="true" class="fa fa-caret-right"></i></a></span>
 </span>
-        <div class="chbottomlogo">
-            <img src="https://data.chinahighlights.com/pic/logo/china-highlights-bottom-logo.png" alt="China Highlights Logo" >
-        </div>
+
     </div>
 
     <div class="infobottom">
+
+        <img src="https://data.chinahighlights.com/pic/guide/info-template-feature-on.png" loader="lazy" originalsrc="https://data.chinahighlights.com/pic/logo/bottom-logo-b.png" alt="China Highlights Logo" width="150px" class="bottomlogocenter"> <div class="bottomlogoinfo">China Highlights tailor-makes China tours to help travelers discover China
+            their way. <a href="/aboutus/">more
+                ...</a></div>
+
         <div class="bottomwechat">
-            <p><img src="https://data.chinahighlights.com/grey.gif" loader="lazy" originalsrc="https://data.chinahighlights.com/pic/guide/info-template-qr-code.jpg" alt="info template qr code" width="100px"
-                    height="100px"></p>
+            <p><img src="https://data.chinahighlights.com/pic/guide/info-template-qr-code.webp" loader="lazy" originalsrc="https://data.chinahighlights.com/pic/guide/info-template-qr-code.jpg" alt="info template qr code" width="100px" height="100px" style="opacity: 1; transition: opacity 0.5s ease-in-out 0s;"></p>
             <span class="wechattitle">Contact us via WeChat</span>
         </div>
 
         <div class="bottommedia">
             <span class="followtitle">Follow Us</span>
             <ul>
-                <li><a href="https://www.facebook.com/Chinahighlights" rel="nofollow" title="Follow us on Facebook"
-                       class="fb" target="_blank">
+                <li><a href="https://www.facebook.com/Chinahighlights" rel="nofollow" title="Follow us on Facebook" class="fb" target="_blank">
                         <i class="fa fa-facebook"></i>Facebook
 
                     </a></li>
-                <li><a href="https://twitter.com/Chinahighlights" rel="nofollow" title="Share us on Twitter" class="tw"
-                       target="_blank"> <i class="fa fa-twitter"></i>Twitter </a></li>
-                <li><a href="https://www.instagram.com/chinahighlights/" rel="nofollow" title="Follow us on Instagram"
-                       class="linkin" target="_blank">
+                <li><a href="https://twitter.com/Chinahighlights" rel="nofollow" title="Share us on Twitter" class="tw" target="_blank"> <i class="fa fa-twitter"></i>Twitter </a></li>
+                <li><a href="https://www.instagram.com/chinahighlights/" rel="nofollow" title="Follow us on Instagram" class="linkin" target="_blank">
                         <i class="fa fa-instagram" aria-hidden="true"></i>
                         Instagram </a></li>
                 <li><i class="fab fa-weixin" aria-hidden="true"></i></li>
@@ -242,8 +239,7 @@
 
         <div class="featureon">
             <span class="followtitle">Featured on</span>
-            <img src="https://data.chinahighlights.com/grey.gif" loader="lazy" originalsrc="https://data.chinahighlights.com/pic/guide/info-template-feature-on.png" alt="info template feature on"
-                 class="img-responsive" width="436px" height="250px">
+            <img src="https://data.chinahighlights.com/pic/guide/info-template-feature-on.png" loader="lazy" originalsrc="https://data.chinahighlights.com/pic/guide/info-template-feature-on.png" alt="info template feature on" class="img-responsive" width="436px" height="250px" style="opacity: 1; transition: opacity 0.5s ease-in-out 0s;">
         </div>
     </div>
     <div class="bottomlogo">