Sewage pool in Lopnur, Xinjiang, China [1000×560]
Interior of the sealed black granite sarcophagus opened today containing three human skeletons and sewage water in Alexandria, Egypt, c. 323-30 BC. [1400×930]
Looks like two photos but its actually only one. Installing new sewage and fresh water tanks which required a hole to be cut in the steel deck..compartment needs to be descaled and painted before tanks go in. You can see the propeller shafts in the background.