the circular mound altar details from the temple of heaven in beijing

activity aged altar ancient architectural architecture art asia asian attraction background balcony beautiful beijing believe buddhism buildings capital carving centuries china chinese circular complex courtyard culture day decorative destination details dynasty east emperor exterior famous heaven heritage historic historical history imperial landmark marble may mound old peking preserved public religious royal sacrifical scene scenery scenic sightseeing site sky stone stoves style symbol temple tourism touristic traditional travel unesco view visit world worship