Elevation can be deceiving in satellite imagery of Mars, even when differences are extreme—as demonstrated by this image of Pyrrhae Regio from ESA’s Mars Express. A chunk of terrain has collapsed and dropped more than four kilometers below its surroundings, illustrating the incredible contrast and dynamism seen across the martian surface.
![](https://scx1.b-cdn.net/csz/news/tmb/2020/creatingchao.jpg)
Source:
https://phys.org/news/2020-11-chaos-craters-collapse-mars.html