...  ceiling through which sunlight enters and lights up the walkways. Depending on the direction of the sun the brightness of these walkways changes throughout the day. I find it fascinating.<br/><br/>[![a2aa5dc918d82453e57b52a4087e30dd](https://s3.us-east-1.amazonaws.com/appics-content/a2aa5dc918d82453e57b52a4087e30dd-640)](https://appics.com/referenced.html?ref=steemit.com&type=image&id=107724&url=https://s3.us-east-1.amazonaws.com/appics-content/a2aa5dc918d82453e57b52a4087e30dd-640&caption=Yazd.%20A%20lady%20is%20walking%20at%20the%20old%20mud%20town.%20Some%20walkways%20of%20the%20mud%20town%20have%20a%20ceiling%20through%20which%20sunlight%20enters%20and%20lights%20up%20the%20walkways.%20Depending%20on%20the%20direction%20of%20the%20sun%20the%20brightness%20of%20these%20walkways%20changes%20throughout%20the%20day.%20I%20find%20it%20fascinating.&category=travel&hashtags=life+creativecoin+photography+lifestyle&author=cryptopossible&profileImageUrl=https://s3.us-east-1.amazonaws.com/appics-content/profileImages/2162-1576063594440-640&permlink=appics-v1-appics-im-107724)<br/><br/>[![Powered by APPICS - visit us at appics.com](https://s3.eu-central-1.amazonaws.com/appics-staging/steemit_banner.gif)](https://appics.com/referenced.html?ref=steemit.com&type=image&id=107724&url=https://s3.us-east-1.amazonaws.com/appics-content/a2aa5dc918d82453e57b52a4087e30dd-640&caption=Yazd.%20A%20lady%20is%20walking%20at%20the%20old%20mud%20town.%20Some%20walkways%20of%20the%20mud%20town%20have%20a%20ceiling%20through%20which%20sunlight%20enters%20and%20lights%20up%20the%20walkways.%20Depending%20on%20the%20direction%20of%20the%20sun%20the%20brightness%20of%20these%20walkways%20changes%20throughout%20the%20day.%20I%20find%20it%20fascinating.&category=travel&hashtags=life+creativecoin+photography+lifestyle&author=cryptopossible&profileImageUrl=https://s3.us-east-1.amazonaws.com/appics-content/profileImages/2162-1576063594440-640&permlink=appics-v1-appics-im-107724)