The Opdas Cave in Kabayan, Benguet contains a mass grave, said to be used by local tribes. Carbon dating and anthropological studies said the skeletal remains are around 500 to 1,000 years old comprising of Filipino, Chinese, and Japanese origins.
The Opdas Cave in Kabayan, Benguet contains a mass grave, said to be used by local tribes. Carbon dating and anthropological studies said the skeletal remains are around 500 to 1,000 years old comprising of Filipino, Chinese, and Japanese origins.