Crater lake on the border between China and North Korea. Thecrater is a volcanic caldera.
Generator: DEM Net Elevation API - https://elevationapi.com
Digital Elevation Model: ASTER_GDEMV3 - https://doi.org/10.5067/ASTER/ASTGTM.003
Imagery: Esri World Imagery - https://services.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer
* Generator: [DEM Net Elevation API](https://elevationapi.com)
* Digital Elevation Model: [ASTER_GDEMV3](https://doi.org/10.5067/ASTER/ASTGTM.003)
* Imagery: [Esri World Imagery](https://services.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer)