Flag of Kogalym (Khanty-Mansyisky AO)
Flag_of_Kogalym_(Khanty-Mansyisky_AO).gifBlue-green, not green-blue:

http://www.hrono.ru/heraldicum/flagi/subjects/towns/kogalym.htm
http://kogalym.sutochno.ru/gorod
http://kogalym.org/photo/37-0-1390
Flag_of_Kogalym_(Khanty-Mansyisky_AO).gif: городская Дума
derivative work: McSush (talk)