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

天壇是中國古代皇帝祭天的場所。

It was built in Beijing in 1420. Emperors pray to heaven for good harvest.

公元 1420 年天壇在北京初建成，皇帝在這里祈求。

Ancient Chinese believed that Earth was Square and heaven was round.

中國古人認為天圓地方。

The altars and palaces were built into circles to represent heaven. The southern wall was rectangular to represent Earth.

祭壇、宮殿都為圓形，象征天圓；圍墻南部為方形，象征地方。

Chinese show their respect to heaven in Tiantan.

在天壇，處處可見中國古人對天的敬重。

The Blue-glazed tiles of the imperial vault of heaven represent heaven.

皇穹宇頂部的藍色琉璃瓦象征至高無上的青天。

The circular mound altar is surrounded by a ring of nine plates,which are also surrounded by multiples of nine plates. It represents the supremacy of heaven.

圜丘壇以九乘以九的倍數(shù)鋪設，代表天無限大。

Tiantan covers an area of 2.7 million square meters,with an orderly arrangement showing Chinese regality.

天壇總面積 270 多萬平方米，格局嚴整，盡顯中國古代皇家氣派。