皮肤上有鸡皮疙瘩:It has cities but no houses;forests but no trees;rivers without water.What is it?

It has cities but no houses;forests but no trees;rivers without water.What is it? It has cities but no houses;forests but no trees;rivers without water.What is it? It has cities but no houses;forests but no trees;rivers without water.What is it? It has no legs .But it walks day and night .这个谜语地答案 It has no legs .But it walks day and night .这个谜语地答案 It’s time for the meeting,but no one has come .What’s the matter? What has an eye but no head? what has a neck but no throat what has a neck,but no head what has keye but no doors