The Euro sculpture is partially reflected in a puddle on a cobblestone pavement in front of the headquarters of the European Central Bank in Frankfurt on Jan. 21. (Kai Pfaffenbach/Reuters)

An aircraft flies past sculptures of dinosaurs at the “Valley of Animals” park in Chandigarh, India on November 9, 2019. (Photo by Vijay Mathur/AFP Photo)

A man walks pat sculptures with face masks on along an alley in Beijing on August 3, 2021. (Photo by Noel Celis/AFP Photo)

A sculpture made by activists on Lambeth bridge during the Extinction Rebellion protest in London, England on October 7, 2019. (Photo by Henry Nicholls/Reuters)

A craftman poses with a bamboo miniature sculpture in Hanoi on November 25, 2020. (Photo by Nhac Nguyen/AFP Photo)

Shadow art is a unique form of sculptural art where the 2D shadows cast by a 3D sculpture are essential for the artistic effect.

Suited volunteers in bowler hats stand in the surf holding umbrellas aloft at sunrise at Bondi Beach on June 27, 2010 in Sydney, Australia. The human installation is the latest in a series of “surreal human sculptures” by artist Andrew Baines (Photo by Brendon Thorne/Getty Images)

The "Square Head" is a sculpture by the french artist Sacha Sosno, and it is also the very first giant sculpture to have been transformed in a habitable building.