Saipan Blue Hole Diving, the second blue hole in the world, because of its depth, there is also a need for divers to carry their own equipment, diving and then back up. The blue hole is connected with the sea, and the light from the sea penetrates the waterway into the hole. The Blue Hole pool shows a light blue luster, which is quite beautiful. If you want to go snorkeling in Blue Hole, you can't go there by yourself. You must have a coach to take it with you. That is to say, you need to find a place to pick it up. You can't go down with your snorkeling equipment. You can only take a few pictures at a distance, but you can't go down. Blue Hole is a free attraction, so tourists without snorkeling and diving plans come here and take some rough photos. Because the blue hole, since then fell in love with the cave dive, the blue hole is simply beautiful and suffocating! __________ Even if it is full of danger and mystery, it will not stop me from going deep into it. There are many blue holes on the earth that can dive, but the difficulty factor of Saipan's Blue Hole ranks second. Those two dives, to be honest, are not enough. They feel like vomiting blood when they are tired, but once they sink into the sea, all the efforts are worth it!