OpenStreetMap
Map of Smolensk city, increase for 6 month.
http://img-fotki.yandex.ru/get/5907/trolleway.16/0_617cf_f935f614_orig - 19.01.2011.
http://img-fotki.yandex.ru/get/5304/trolleway.16/0_617d0_b33b0e02_orig - 17.06.2011.
On May 21-22 there was a mapping party (osm.wiki/wiki/%D0%A1%D0%BC%D0%BE%D0%BB%D0%B5%D0%BD%D1%81%D0%BA_Mapping_Weekend)
Discussion
Comment from qaysedcftgb on 19 June 2011 at 16:53
WOW!
I am more than impressed!
RESPECT!