
Yasuyoshi Chiba / AFP - Getty Images
A couple walks through a labyrinth made with blocks of recycled materials at Parque da Juventude (Youth Park) in Sao Paulo, Brazil on Monday. Brazilian artist Eduardo Srur installed three 300 square meters labyrinths in the city, each of which is made with 30 tons of recycled blocks.

Yasuyoshi Chiba / AFP - Getty Images
Detail of the outer wall of a labyrinth by Brazilian artist Eduardo Srur, made of blocks of recycled materials at Parque da Juventude (Youth Park) in Sao Paulo.


That's not recycled, that's just crushed and bundled. Unless you count "used in art piece" as qualifying for the definition of "recycled".