Assertion: altar's construction | /r/HasProperty | monumental
Facets:
Source sentences:
text: The Pergamon Altar (Ancient Greek: Βωμός τῆς Περγάμου) is a monumental construction built during the reign of king Eumenes II in the first half of the 2nd century BC on one of the terraces of the acropolis of the ancient Greek city of Pergamon in Asia Minor.