Artist François Abelanet plays tricks on our eyes, making us believe there is a three-dimensional grass globe sitting right in the middle of Paris' City Hall. When viewed at different angles, however, the illusion quickly falls apart.

Who to believe? covers 16,000 sq ft (1500 sq m) and measures 330 ft (100 m) long. Approximately 90 gardeners worked for five days to assemble the entire display.

The official press release states that the installation is supposed to "question the link between nature and city, and their difficult coexistence."

Side view reveals the actual shape

Five day installation of the piece

Aerial view of the installation process

Photo credit: Mairie de Paris / Deborah Lesage
via [Paris], [Designboom], [Gizmodo]

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  • This video of this illusion really shows how breathtaking an optical illusion it is.
  • Shame one me! I have to read an american blog to know what's happening in my city... Am definitely going to see that !
  • Man that was really trippy!
  • Breath taking
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