First Ever Fish Spa ...

... you pay to sit on a bench and dip your feet into an aquarium full of little fish, which I take it are supposed to massage your feet as they swim. As an extra benefit, they probably also eat all the dead skin off your feet. This presents another untapped business opportunity - eating all that nasty dead skin will undoubtedly give the fish a very distinct and rank flavour, perfect to market to Asian countries as a delicacy!