The photos are low-resolution JPEGs to facilitate transport over the net, but larger, original resolution GIFs are also available. The colour ones have been taken with the COSC department's digital camera. These photos have been reorganised so that the most recent ones are first. This process involves waterproofing the foundations by sandwiching a layer of polythene between two layers of concrete. The pits in the picture mark the places where the main support columns will rest.
Trucks drive around a bit to make it look like things are underway.