This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Sanuki Mountains Relief Map SRTM. Relief map of Sanuki Mountains Prefecture Shikku Japan From SRTM Mesh Ver SRTM Ver NASA's jpl nasa gov Shuttle Radar Topography Mission SRTM Mesh Batholith Commons br PDUSGovNASASRTM Topographic maps of Tokushima prefecture Topographic maps of Kagawa prefecture Sanuki Mountains