Aquae Sulis (2)#
Licensed under PD
The Great Bath at Aquae Sulis (today Bath) England. Although the water from the hot spring is colorless, it acquires its distinctive green hue from algal growth caused by the heat of the water and from sunlight.
The Great Bath at Aquae Sulis (today Bath) England. Although the water from the hot spring is colorless, it acquires its distinctive green hue from algal growth caused by the heat of the water and from sunlight.