Fun Riddles: Which Is The Prehistoric Invention, That Allows People To See Through Walls

Solving fun riddles are a great mode for adults and children to spend some quality time together doing an activity that everyone enjoys! They help in Strengthening the minds of children and the best part is that they don’t even know that they are learning. So

Which is the prehistoric invention, that allows people to see through walls and is still used in most parts of the world today?

So were you able to solve the riddle? Leave your answers in the comment section below.

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