用英语指路你在南京路步行街遇到一名外国游客.请你用英文告诉他去上海博物馆的路.

walk downstream this way. cross the sub-channel at the end . you see a only round building in the south. walking across thepeople's square. then you get it. 是六年级的吗?(*^__^*) 嘻嘻……