A modest family business idea 13 years ago, has turned into one of the most popular tourist attractions on the main island of Vanuatu.
The Millenium Cave Tours had a handful of visitors in its first year but nearly 2,000 people took part in the daily tours on Santo last year, which includes a bush trek and canyoning down a river.
The managing director Samuel Andikar says the next plan is to offer overnight village stays as an add on to the tour.
He says by working with chiefs and community groups from the eight villages in the area, they've been able to benefit those communities.
"This business generates a small income to eight villages, we employ the young people from eight villages, fifty young people we employ them."
Samuel Andikar says Millenium Cave Tours built two kindergartens in the area last year and are about to launch a project to build a new school.
Volunteer Services Abroad has assisted the business through improving safety standards of the tour and designing a company website.