EIGHT kilometers southwest of the Mentawai Seedbed—the sapling nursery center of the Nusantara Capital City (IKN)—at the Sepaku subdistrict, Penajam Paser Utara, East Kalimantan, lies a massive abandoned pit. This pit, once a vast coal mine spanning over 100 hectares, is situated on the border between the Mentawir village and the Kariangau village in West Balikpapan, Balikpapan City. Within it lie at least two mine shafts, each as lon