50th anniversary

On April 21st 1960 the city of Brasilia was finished. It took three years to build this new city, and it immediately became the capital of Brazil. It is now a World Heritage site.

Stone spheres

Stone spheres

These spheres are found in Costa Rica, and they may become a Unesco World Heritage Site in the future.

No-one knows for sure how or why they were made, but it can be seen that they are incredibly round and the work of a master stone-mason or two.