illuminating the dark pool of the river makes an ease atmosphere. This beautiful scenery takes place every year during what the Japanese call the Tōrō Nagashi. Tōrō Nagashi (灯籠流し) is a Japanese ceremony or a symbol of summer celebrating by releasing the beauty of paper lanterns floating along the calm Sumida-gawa River. It is held during the Bon festival at the middle of July or August in the evening when the sky is going dark. People belief, by doing the ceremony, that the spirit of ancestors will ride down to the river and will return to the afterlife (Japanese belief that humans come from water). the ancestors souls are represented by the light of lanterns.