In a sun-drenched outdoor swimming pool, a person, likely a child or young male, is seen submerged in the clear blue water. They are wearing black swimming trunks and are holding onto a metallic pool ladder with both hands. Their head is mostly underwater, and their dark hair is visible. Standing beside the pool's edge, an adult, whose arms and hands are visible, holds a long-handled pool cleaning brush. The brush appears to be used as a prop or support, extending into the water near the submerged person, rather than for cleaning. The adult's left hand, wearing a watch, grips the pole. The adult is heard speaking in Russian, encouraging the person in the water. They repeatedly say, "Спускайся, спускайся, спускайся!" (Go down, go down, go down!) followed by "Ещё, ещё, ещё!" (More, more, more!), indicating they are encouraging the individual to submerge further or dive deeper. The pool's edge is lined with terracotta-colored tiles, and the water is vibrant blue, reflecting the bright daylight. The scene suggests a playful or instructional moment, with the adult assisting the person in the water. The setting is likely a private or resort pool in Phú Thủy, Vietnam, given the provided context. No visible text is present in the video.