Go with the flow. In the developing world, any business that needs a good supply of fresh water will often have its head office on the riverbed: carpet cleaners, laundries and car washers being the most common. So whenever we needed to launder our clothes, wash the bike or fill our water tanks, we joined the professionals. In some countries (India, for example), the water often looked dirtier than the clothes they were trying to wash. But here in Siberia the rivers ran clean and pure.