Assertion: forbidden city | /r/HasProperty | declared a world heritage site
Facets:
value: in 1987
type: TEMPORAL
value: by unesco
type: OTHER
Source sentences:
text: The Forbidden City was declared a World Heritage Site in 1987, and is listed by UNESCO as the largest collection of preserved ancient wooden structures in the world.
text: The Forbidden City was declared a World Heritage Site in 1987 by UNESCO as the "Imperial Palace of the Ming and Qing Dynasties", due to its significant place in the development of Chinese architecture and culture.