Sponge diving
![Display of natural sponges for sale on Kalymnos in Greece](/Images/godic/202502/12/Sponges2839.JPG")
![](/Images/godic/202502/12/Working_Diver_012839.jpg")
Sponge diving is the oldest known form of the original art of underwater diving. Its purpose is to retrieve natural sponges for human use.
Sponge fishing
英语百科
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