Water filtering system, ancient Greek city of
Water filtering system. ruins of Neapolis, ancient Greek (and then Roman) city of Empuries, Sant Marti doEmpuries, Girona, Spain. The amphorae were filled with sand and gravel, and water poured in the tops came out at the bottoms clean. Picture by Manuel Cohen
Picture No
13447931
Media ID
45384714
Size
5932px x 5104px
(9.1MB)
Credit
Manuel Cohen / Mary Evans
Source
Photograph by Manuel Cohen
