Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Grand Canyon National Park' has mentioned 'National parks' in the following places:

Occurrence Sentence	Text Source
The park, which covers 1,217,262 acres (1,901.972xc2xa0sqxc2xa0mi; 4,926.08xc2xa0km2) of unincorporated area in Coconino and Mohave counties, received more than six million recreational visitors in 2017, which is the second highest count of all American national parks after Great Smoky Mountains National Park.	WIKI
The 1987 the National Parks Overflights Act[13] found that "Noise associated with aircraft overflights at the Grand Canyon National Park is causing a significant adverse effect on the natural quiet and experience of the park and current aircraft operations at the Grand Canyon National Park have raised serious concerns regarding public safety, including concerns regarding the safety of park users."	WIKI

Occurrence Sentence

Text Source

The park, which covers 1,217,262 acres (1,901.972xc2xa0sqxc2xa0mi; 4,926.08xc2xa0km2) of unincorporated area in Coconino and Mohave counties, received more than six million recreational visitors in 2017, which is the second highest count of all American national parks after Great Smoky Mountains National Park.

WIKI

The 1987 the National Parks Overflights Act[13] found that "Noise associated with aircraft overflights at the Grand Canyon National Park is causing a significant adverse effect on the natural quiet and experience of the park and current aircraft operations at the Grand Canyon National Park have raised serious concerns regarding public safety, including concerns regarding the safety of park users."

WIKI