This video shows:
-Download DEM file of required area,
-merge different DEM and clip/crop to required area
-use Qgis2threejs plugin to create 3D of terrian hill shade or dem
-3D visulization of map in QGIS
-create realistics 3D map of any place
-overlay google earth map as base map for creating realistics map
-Create animation using QGIS
-Use or SRTM downloader, QuickMapServices, load XYZ tiles
-Export 3D map and open it in browser as HTML file