Coin dropped into factory chimney creates bizarre sounds

These two friends from Aarhus, Denmark did some urban exploring and couldn't resist the urge to climb a huge chimney towering over a gigantic abandoned factory. When they finally reached the top they discovered that the metal tube inside the chimney created a bizarre echo sound when you shouted into it - which made them wonder what would happen if they dropped a coin down it.

These guys are quite the daredevils, that's for sure! Would you ever climb something like this? Be sure to check out https://rumble.com/ for other awesome videos like this one! If you have your own, feel free to upload it!

Check out this awesome experiment by a pair of urban explorers.

Credit to 'Aske'.