l have cities but no houses,forests but no trees

l have cities but no houses,forests but no trees I have cities but no houses；forests but no trees;rivers but I have cities but no houses,forests but no trees ,rivers Wit I have cities but no houses,forests but no trees,rivers with A riddle:I have cities but no houses,forests but no trees,ri I have cities but no houses,forests but no trees ,rives with 猜谜：I have cities but no houses ,forests but no trees,rivers I have cities but no houses,forests but no trees,rives witho 英语问题1.I have cities but no houses,forests but no trees,river I have cities but no houses;forests（森林）but no trees;rivers（河 I have cities but no houses,forests but no trees,riverswitho I have cities but no houses ;forests（森林）but no trees; rivers