guest Moderator 管理成员 注册 2002-10-07 消息 402,579 荣誉分数 76 声望点数 228 2013-08-30 #1 A flying drone designed to scare geese away from Ottawa beaches could just be sending them elsewhere in the city, according to one federal biologist. 查看原文...
A flying drone designed to scare geese away from Ottawa beaches could just be sending them elsewhere in the city, according to one federal biologist. 查看原文...
