Iranian men spend their time in warm mineral water springs in Sarein 614 kms (367 miles) northwest of Tehran, Iran on Wednesday Sept. 5, 2007. The city of Sarein is famous for having many warm mineral water springs and every year around 4 million Iranians visit and use waters as diseases such as Rheumatism, skin diseases and soon are treated by swimming in the water of these place. (Hasan Sarbakhshian/AP)