In 2010, the young British photographer Chloe Dewe Mathews journeyed overland from Britain to China, spending several months hitchiking and camping around the shores of the Caspian Sea. The crude oil produced in Naftalan is famous through the region for it's medical qualities and has made the city a spa town, where people come to sit in the baths of dark brown-black oil in the hop of curing common ailments like arthiritis and psoriasis.Everyone in the town go's to bath in that oil from all ages.