Art aquarist Nihonbashi Nihonbashi installations now on display in Chuoku . Exhibition uses 70 goldfish in 5,000 aquariums . Futuristic show retains traditional Japanese symbols .
Art aquarist Hidetomo Kimura 's installations now on display in Tokyo . Exhibition uses 5,000 goldfish in 70 aquariums . Futuristic show retains traditional Japanese symbols .