A good example of this is water filtration.
Despite sounding like a modern concept, aMayan water filtration systemfrom hundreds of years ago was recently uncovered.
The video was first shared by bloggerMuhammad Al Hussainan.
Photo: Screenshot fromReddit
This way, the sediments catch the particles mixed in the water.
Slowly but surely, the man gathers the dirty water using a bottle.
Who would have that this was the dirty water looking like this?
Photo: Screenshot fromReddit
Now we can make coffee reacts the man taking the video.
you’re able to get coffee or make anything else, replies another.
