Derna, before and after the flood. I think the 3 buildings on the Mediterranean coast, left of the river, can be recognized in both pictures. A lot of buildings simply don't exist anymore.
Via Mohsen Derregia

https://sfo3.digitaloceanspaces.com/cdn.mastodon.energy/media_attachments/files/111/053/658/174/063/280/original/3846569da5e0c9aa.jpg 

 Clear satellite images showing the parts of Derna, Libya, that were swept away by the river flood. 
Before (2 September) and after (today, 12 September).
Via @e9e2a668

https://sfo3.digitaloceanspaces.com/cdn.mastodon.energy/media_attachments/files/111/054/261/989/679/974/original/3a333674bb329a2b.jpeg

https://sfo3.digitaloceanspaces.com/cdn.mastodon.energy/media_attachments/files/111/054/261/989/647/291/original/e89ed74310ab5ff7.jpeg