Riddles have always been a popular form of brain training entertainment, but now more than ever, thanks to lockdown, people are giving them a go.

You may have seen the “What Flattens All Mountains riddle online and have been struggling with the answer for a while.

This riddle has perplexed internet users far and wide, leaving them arguing over what the answer could possibly be.

What Flattens All Mountains riddle

The What Flattens All Mountains riddle is:

“What flattens all mountains, wipes out all species, destroy every building, and turns everything to pieces?”

This riddle has been circulating online for a few years now, and many people still debate over what the answer could be, as there are several possibilities.

What Flattens All Mountains riddle

The answer to the What Flattens All Mountains riddle is time.

This is because the one thing capable of flattening mountains and destroying buildings is time, as things decay and erode with age.

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