Soft 3D feature-animation style as in @Kids: @Kira and @Yan in the orange suits,

Soft 3D feature-animation style as in @Kids: @Kira and @Yan in the orange suits, glowing backpacks and clear bubble helmets of @Suits and @Helmets, swimming along the towering dark rock cliff of @Cliff in the dark teal-blue twilight zone at 1000 m, lit by their white helmet lamps, a very faint blue glow far above. The kids keep swimming and paddling the whole time. @Audio1 is the exact soundtra...