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Tourists visit bubbling mud volcano in Iran

Abedin Taherkenareh / EPA

A picture made available on Friday shows an Iranian tourist visiting the historic mud volcano called Gel-Afshan in the city of Chabahar in south-eastern Iran. A natural phenomenon of gas rising from the depths of the earth raises a hill of mud over time.

Abedin Taherkenareh / EPA

Tourists climb the mud volcano called Gel-Afshan.

Abedin Taherkenareh / EPA

A close-up view of bubbling mud.

Much of the photography reaching us from Iran focuses on matters of political conflict, so these images of a curious geological site are a pleasant change.