People hewed a canoe from a tree trunk.Using canoes as coffins is a unique burial custom to Ba (an ancient kingdom in present Chongqing) and Shu people.

• 把树干砍成小船，然后再把小船做成棺材是巴人（在现在的重庆的古老王国）和蜀人独特的葬礼风俗。