Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Ancient Maya City and Protected Tropical Forests of Calakmul, Campeche' has mentioned 'Summit' in the following places:
Occurrence Sentence Text Source
Sacbe 3 extends 8 kilometres (5.0xc2xa0mi) northeast from the site core and is visible from the summit of Structure 1.
Sacbe 4 runs 24 kilometres (15xc2xa0mi) southeast from the site core, it is also visible from the summit of Structure 1 and was discovered in 1982.