In Japan people believe that the spirits of the dead return to visit the earth every summer during the Obon festival.在日本,人们认为死者的灵魂会在每年夏天的盂兰盆节回来拜访人间。The boy said that he saw a spirit of the dead walk at night.男孩说他看见鬼魂夜间出现了。Do the spirits of the dead walk at night?死者的鬼魂会在夜间出现吗?