The file refers to a custom scenery package for Microsoft Flight Simulator (MSFS) featuring the Chambéry - Challes-les-Eaux Airport (LFSJ) in France.
Challes-les-Eaux, near Chambéry in the Savoie department of France. lfsj_rivierascene.zip
Extract the folder named lfsj-rivierascene (or similar) from the zip. Drag and drop that folder into your MSFS folder. The file refers to a custom scenery package
If you are looking for the post or download page for this specific scenery, it is typically hosted on community platforms like . Scenery Overview lfsj_rivierascene.zip