Indonesia, June 8 -- East Kalimantan has long been celebrated for its extraordinary marine wealth.

But Berau, an integral slice of the Sulu-Sulawesi seascape within the legendary Coral Triangle, holds a special crown, it is the heart of Southeast Asia's richest marine biodiversity and the most critical habitat for the region's green turtles.

These are green sea turtles ( Chelonia mydas ), and they are thriving in one of the most vital marine sanctuaries on Earth.

To safeguard these pristine habitats and track turtle populations, a coalition of government agencies and environmental groups regularly deploys coordinated, tech-driven field surveys across the region.

Historically, monitoring vast, remote coastlines meant grueling, often in...