Hippopotamus resting on the surface of a lake. Slow motion.
Two wolverine animals play on frozen water in the woods
Underwater shooting of group of dolphins. Dolphins swimming deep in the sea. Natural state of mammals under water. Harmony and unity in environment. Dolphins moving in water. Concept of nature
Family of dolphins swimming underwater. Blue clear water and mammals emerging to surface of water. Underwater natural environment for life. Impressive picture. Concept of marine nature and uniqueness