The underwater world is in the palm of your hand. the whole ocean is like an aquariumThe underwater world is in the palm of your hand. The whole ocean is like an aquarium
Stellar view of the collision of the earth with the moonStellar view of the collision of the earth with the moon
Сплошной или полый внутри шар из упругого материала, отскакивающий при падении от твёрдой поверхности.