Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Jeju Volcanic Island and Lava Tubes' has mentioned 'World' in the following places:
Occurrence Sentence Text Source
These natural conduits through which magma once flowed are now empty caves that are some of the largest in the world.
Criterion (vii): The Geomunoreum lava tube system, which is regarded as the finest such cave system in the world, has an outstanding visual impact even for those experienced with such phenomena.
Criterion (viii): Jeju has a distinctive value as one of the few large shield volcanoes in the world built over a hot spot on a stationary continental crust plate.
It is distinguished by the Geomunoreum lava tube system, which is the most impressive and significant series of protected lava tube caves in the world and includes a spectacular array of secondary carbonate speleothems (stalactites and other decorations), with an abundance and diversity unknown elsewhere within a lava cave.