Tōrō nagashi (灯籠流し) is a Japanese ceremony in which participants float paper lanterns (chōchin) down a river. The word tōrō is Japanese for lantern, while nagashi means "to cruise" or "flow". This is primarily done on the last evening of the Bon Festival, a festival based on the belief that these lanterns would guide the spirits back to the world of the dead.
The Lantern Festival
Our robots are going to float their own illuminated lanterns down a river and watch how they flow down the river. Rivers in RoboLand generally have flat banks, sharp right angle turns and a consistent width throughout the length of the river.
Each Robot simultaneously put their lantern in a row spanning the entire width of the river....
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