Environment The Hidden Peril: How Abandoned Mine Pits in South Kalimantan Became Deadly Tourist Traps July 20, 2026 Asro By The pristine, turquoise hue of the water at the Danau Biru (Blue Lake) in Tambak Padi Village, Banjar Regency, South Kalimantan, is deceptive. To the uninitiated visitor—lured by viral…