Assertion: tower's construction | /r/HasProperty | the warsaw radio mast
Facets:
value: in poland
type: LOCATION
value: between 1991
type: TEMPORAL
value: between 1954
type: TEMPORAL
Source sentences:
text: Between 1954 and 1991, the tallest man-made constructions were all TV towers, mostly located across the United States, and the Warsaw Radio Mast in Poland.