I'm in the mood to solve some riddles, so... What's your favourite riddle?

Currently mine is- I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

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+1 y
Sorry! Medical emergency but now I'm back. Let's see how many of them I can guess it right, lol
I'm in the mood to solve some riddles, so... What's your favourite riddle?
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