OpenStreetMap

ff5722

Mapper since: December 11, 2015

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 in China
  • New railroads in China
  • Updating areas without high-res imagery using Sentinel-2