Video of a tamagawa river walk. Video of a tamagawa river walk. %e1%9e%8a%e1%9f%82%e1%9e%8f%e1%81%81%e1%81%81%e1%81%81%e1%81%81%e1%81%81%e1%81%81%e1%81%81%e1%81%81UnoUnoUno