A photo of Tower Butte taken by Curiosity rover on Mars on 23 April 2020. This butte is about 36 feet (11.5m) high. The 3D effect was created using a pair of stereo pictures and Wiggle Maker software. In the background we see the 5km-high Mount Sharp.©NASA/JPL-Caltech/MSSS/Ugo Capeto/Thomas Appéré