RT @i_ameztoy: Once in a year | The Richart structure 🌀

This amazing feature in the Sahara's Adrar Plateau, #Mauritania, is an eroded geological dome forming concentric rings of 40 km in diam. Wonders of #Africa 😍 2023-03-07

@CopernicusEU #Sentinel2 🛰️
Full Size: https://www.flickr.com/photos/184249102@N03/52747819095/ 🧐

🐦🔗: https://n.respublicae.eu/CopernicusEU/status/1635894788544245761