Archaeologists have finished the second phase of excavation at Phia Mun Cave, Na Hang District in the province of Tuyen Quang and have uncovered over 1,000 relics and 12 tombs of the Neolithic Hoa Binh culture. Excavations began in May last year and archaeologists soon realised the importance of the site, as they quickly uncovered objects 6,000 to 7,000 years old, and concluded that the cave was inhabited during Neolithic times... During excavation of the first strata archaeologists uncovered stone tools, animal bones and sea snail shells, proving that the inhabitants of the cave had contact with coastal tribes. They...