The limestone of the Maltese Islands was formed in shallow waters about 22
million years ago.
Malta’s megalithic temples are all made out of limestone, dating back to 6000
years, making them the oldest free standing structures in the world.
A normal sized ‘kantun’ can weigh up to 75kg. Can you imagine building all those
churches, bastions and forts without any cranes and machinery?
In a working limestone quarry temperatures in Summer, can soar up to 50
degrees Celsius. In fact work starts before sunrise and finishes at midday.
A typical Maltese house is called a ‘Farmhouse’ because in the olden days, they
used to keep farm animals in the house.

Limestone Heritage