绿灯亮了，约翰慢慢穿过十字路口。

The light changed, and John slowly crossed the intersection5.

在四环高架桥下，你穿过十字路口向左转，沿路走到河流消失在四惠桥下的尽头。

Once under the elevated 4th Ring, you cross and turn left to follow the road round to where a stream vanishes under the Sihui Bridge.