Czechs clean thousands of human bones in ossuary renovation
![](https://r58b8e.a2cdn1.secureserver.net/wp-content/uploads/2018/02/worldnewsdyil2auoc8za.gif?time=1718510120)
Restoration experts in the Czech Republic have been set an unusual task – to dismantle four towering pyramids made up of centuries-old bones from more than 40,000 human bodies, clean them up and then reconstruct them as before.