Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Ngorongoro Conservation Area' has mentioned 'World Heritage' in the following places:
Occurrence Sentence Text Source
Protected area and a World Heritage Site in Tanzania, Africa
The Ngorongoro Conservation Area (UK: /(xc9x99)xc5x8bxcbx8cxc9xa1xc9x94xcbx90rxc9x99xc5x8bxcbx88xc9xa1xc9x94xcbx90roxcax8a/,[3] US: /xc9x9bxc5x8bxcbx8cxc9xa1xc9x94xcbx90roxcax8axc5x8bxcbx88xc9xa1xc9x94xcbx90roxcax8a, xc9x99xc5x8bxcbx8cxc9xa1oxcax8arxc9x94xcbx90xc5x8bxcbx88xc9xa1oxcax8aroxcax8a/[4][5]) is a protected area and a World Heritage Site located 180xc2xa0km (110xc2xa0mi) west of Arusha in the Crater Highlands area of Tanzania.
The area became a UNESCO World Heritage Site in 1979.