Recently, Israel opened to the public an amazing tunnel that was originally a drainage ditch that goes from Kfar HaShiloach (Silwan) to the Temple Mount. Ha'aretz reported on this in January.
The Al Aqsa Heritage Foundation recently started making a fuss over this, and released a great video of the tunnel that I couldn't find the original of:
Here, for contrast, is a video of the tunnel made in June by a Christian:
