PREMIUM Labuan Cermin, a cove in Biduk-Biduk district, Berau regency, East Kalimantan, is famous for its unique two-flavor lake water, fresh on the surface and salty at the bottom, with different types of fish coexisting alongside one another. It is also believed to have been a bathing place for Berau kings.

For a better view of oil palm estates on hundreds of hectares of former forestland, members...