BBC 头条追踪 4月8日 17:14 ：现场视频：里约奥运会自行车馆屋顶遭遇火灾 Watch: Fire damages roof of Rio's Olympic velodrome Around 80 firefighters and 20 fire trucks tackled the blaze, the state's military fire department said, adding that no o… FG 100 读报告 →