Cave of skulls and bones, Opdas Cave Mass Burial, 500-1000 years old, Kabayan Town, The Cordillera Mountains, Benguet Province, Luzon, Philippines, Southeast Asia, Asia

travel death travel destinations photography color image contemporary day indoors horizontal customs burials cemeteries skulls bones human remains opdas opdas mass cave burial archaeology archaeological sites kabayan cordillera mountains benguet luzon philippines southeast asia asia interiors caves