https://wiki.openstreetmap.org/wiki/User:Ff5722

http://hdyc.neis-one.org/?ff5722

Main mapping areas of interest

• Southeast Gansu (Lanzhou, Tianshui, Dingxi, Pingliang, Qingyang, Longnan)
• New expressways and major roads in China
• Updating areas using Sentinel-2 (https://wiki.openstreetmap.org/wiki/Sentinel-2)

Useful links

• https://wiki.openstreetmap.org/wiki/User:Ff5722/Using_Sentinel-2_imagery
• https://josm.openstreetmap.de/wiki/Help/Plugin/MapWithAI
• http://overpass-api.de/achavi/?changeset=