Bullets Over Summer - Tin Shui Wai Footbridge

Here's the spot where Francis Ng and Louis Koo question Wayne Lai.

Now, this one might be up for debate, although I'm almost completely convinced. This is the only spot I can think of which has bridges built in this style, with that variety of decorative wall, running along the waterside. The topography - small hill in top left of capture - also matches.

The Street View image shows the bridge that I believe is in the background of the scene in the film, there's too much foliage around the actual one to get an good shot of it.