Posted 8/1/2020 18:25 (#8409399 - in reply to #8409393) Subject: RE: China floods
Technically the right picture is a Google stitching region. You can see the darker patch is a different sat image taken at a different time. As Google stitches the photos together to blend them, the wavy lines form along that seam.
The dam does not look like that right picture, it is a stitching effect.