Assertion: tower's foot | /r/HasProperty | 553.33 m
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Source sentences:
text: When the structure was completed in 1976, the height to the top of its spire was 1,815.4 feet (553.33 m) which made it the tallest tower in the world and broke the old record held by the Ostankino Tower in Moscow (1,772 ft - 540.1m).