From April 5th to 6th, the Qianzhou Ship of Hainan Sanya Marine Police  found two large numbers of dolphins swimming freely in the waters near Sanya twice during the daily patrol mission of the area under its jurisdiction.

When the ship was cruising through the waters near Yalong Bay on the morning of the 5th, dozens of dolphins were happily playing in the water. After only one day, on April 6, hundreds of dolphins were encountered in the sea area. The scene was very spectacular. The officers on the scene decisively slowed their speed and stayed away from the dolphins, trying to avoid affecting the activities of the dolphins.