During the recent field survey in Ba Be National Park in the northeastern province of Bac Kan, archaeologists have found many traces of early humans in caves in karst mountains around Ba Be Lake.

VOV.VN - The remains of 99 local soldiers who sacrificed their lives during previous conflicts in Cambodia and Vietnam were laid to rest on July 20 at the Doc Ba Dac Martyrs' Cemetery in the Mekong Delta province of An Giang.