Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Lena Pillars Nature Park' has mentioned 'World' in the following places:
Occurrence Sentence Text Source
Those interested in limnology or ecotourism, and others who visit Lake Baikal, can coordinate a river sojourn with the aid of a guide from the Lake Baikal region; however, consider that Yakutsk, the world's coldest city and where the river cruises originate, is approximately 1,400 kilometres (870xc2xa0mi) northeast of Lake Baikal.
The Lena Pillars include among the earliest and the largest, in both temxc2xadporal and spatial senses, fossil metazoan reef of the Cambrian world.