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A man bathes in a tub filled with Naftalan crude oil during a treatment session at Qarabag luxury resort in Naftalan, some 300 kilometres (186 miles) from capital Baku, on March 21, 2019. – Immersed up to her neck in crude oil, a Russian woman suffering from joint disease smiles in delight, confident that the treatment at a spa in northwestern Azerbaijan will cure her painful condition.
