How is Hung cave, home to cave pearls, exploited for tourism?

How is Hung cave, home to cave pearls, exploited for tourism?

VnExpress
Located in the core zone of Phong Nha - Ke Bang National Park, Hung cave has attracted attention with hundreds of rare natural "cave pearls", which have been utilized for controlled and limited adventure tourism over the past three years.
Tourists face Bali's 'taxi cartel'

Tourists face Bali's 'taxi cartel'

VnExpress
An unofficial ban on ride-hailing services in many Bali resorts forces visitors to pay up to 10 times the standard fare, with some even facing threats if they refuse local transportation.
Maldives tragedy exposes deadly risks of cave diving

Maldives tragedy exposes deadly risks of cave diving

VnExpress
A tragedy in the Maldives, which claimed the lives of five Italian tourists, has highlighted the deadly pitfalls of cave diving, including a lack of specialized skills and inadequate contingency plans.