Assertion: sky lantern | /r/ObjectUse | used in ancient china
Facets:
value: strategically
type: MANNER
Source sentences:
text: In ancient China, sky lanterns were strategically used in wars, in a similar way as kites were used in ancient Chinese warfare, such as military communication (transmitting secret messages), signaling, surveillance or spying, lighting the sky when laying siege on the city at night etc.