北京天坛

Emperors held annual ceremonies to pray to heaven for a good harvest at the Temple of Heaven, Tiantán.

Built in Beijing in 1420, it was a place where emperors would pray for a bountiful harvest.

Ancient Chinese believed that Earth was square and heaven was round, so the altars and palaces were constructed in circular shapes to represent heaven.

The southern wall was rectangular to represent Earth, reflecting this belief.

The Chinese showed their respect to heaven at Tiantán.

The blue-glazed tiles of the lmperial Vault of Heaven(皇穹宇) represent the sky.