#4 Cooling Tower.
Various cooling towers around Cardiff docks and steel works at Celsa Steel, you can even see the ones in the fifth photo at Aberthaw Power Station on the horizon.
#7 Mill.
This is the former Rolling Mill at Treforest Tinplate Works, A Grade II listed building in Pontypridd, Rhondda Cynon Taff.
It had two mills for rolling the iron into sheets and power was provided by 8 waterwheels.
Rolling Mill at Treforest Tinplate Works
#3 Clock Tower, (a better one this time).
This is the Pierhead building at Cardiff Bay.
Pierhead Building
7 of the 20 items are in this photo.
Another monument, The Scott Antarctic Memorial, Cardiff Bay. (Bottom right).
