3D animated children's science adventure. Kira and Yan look exactly like @Kids:

3D animated children's science adventure. Kira and Yan look exactly like @Kids: same faces, hair, glasses, orange-and-black suits, clear bubble helmets, and both have BARE HANDS with skin visible, exactly as in @Kids and @Prev. Style, light and place continue @Prev: the deep ocean abyss at 4000 m, pitch-black water lit only by the kids' helmet lamps, fine white marine snow and dozens of tiny gl...