Assertion: skyscraper | /r/HasProperty | built
Facets:
value: during this period
type: TEMPORAL
Source sentences:
text: During this period 16 skyscrapers over 600 feet (183 m) were built—including the Woolworth Building, the Bank of Manhattan Trust Building, the Chrysler Building and the Empire State Building, each of which was the tallest in the world at the time of its completion, the last remaining so for forty years.
text: The first skyscrapers in Russia were built during the Stalinist Era in the USSR.
text: When skyscrapers were first built, they had elaborate wooden frameworks inside them to support their weight