Sunflower Square
Palmas, Brazil
The Sunflower Square (Praça dos Girassóis) is the main public square in the Brazilian city of Palmas, the capital of the state of Tocantins. It was inaugurated in 1991 and holds the Araguaia Palace, the seat of the Tocantins government. It is also one of the largest squares in the world.
Square data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).