VOV.VN - A herd of 30 dolphins have been sighted on Co To island in the northeastern province of Quang Ninh swimming and hunting for food, as seen in a video clip shot by a local resident.

Tourists to Co To island district of Quang Ninh province will be banned from bringing plastic bags and single-use plastic products to its islands from September 15.

Tourists visiting Co To island of northeastern Quang Ninh province have been urged not to bring plastic bags as it aims to build a sustainable, green tourism environment.

VOV.VN - Situated in the northeastern province of Quang Ninh, Co To Island has fast become a favourite destination among travelers due to its pristine natural beauty and high-quality of tourism products.

A memorial to late President Ho Chi Minh on Co To island in the northeastern coastal province of Quang Ninh received its certificate as a special national relic site at a ceremony on May 7.