Portugal and Portuguese

Calçada Portuguesa!

The Portuguese cobblestone is made of limestone and basalt and you can find it all over Lisbon and Portugal. All over.
Today, what it is a dangerous pavement for some people (specially elderly), was and still is a great heritage from the Portuguese people.
Its origins date back to the 16th century, but it was in the 18th century, after the earthquake, that one of the original and first pieces was built with it,  the central part of Rossio. A piece that you can find, still, today.
The Portuguese pavement was by then, build by prisoners from S. Jorge's castle in Lisbon, depicting the beautiful waves of the Portuguese discoveries.
Throughout the years, this type of coblestone art spread over to the Portuguese colonies such as Africa, Brazil and specially Macau!
Nowadays you can actually find it all over the world because of the Portuguese influences, being Jonh Lenon's memorial, one of the beautiful examples.
Be careful walking in it though, it gets really slippery and you might get hurt pretty seriously.

Some examples:
Amália, a Portuguese Fado singer, depicted in coblestone by Vhils:
https://observador.pt/2015/07/02/o-rosto-de-amalia-agora-esta-gravado-na-calcada-portuguesa/

Coimbra's university entrance:
https://www.pinterest.pt/pin/448671181613074630/

Another one, Monumento do Calceteiro:
https://media.timeout.com/images/105263525/750/422/image.jpg

Have you seen this type of art pavement? Which is your favorite?