The video shows a first-person view of a player in Minecraft. The player is standing in front of a water fountain made out of sand blocks. The fountain has a red heart-shaped object on top, which is the source of the water. The water flows down into a blue pool below. The player then moves to the side of the fountain, where they place a glass block wall to create a barrier. The water continues to flow down the fountain, but the barrier prevents it from reaching the pool. The player then moves back to the front of the fountain and removes the glass block wall, allowing the water to flow into the pool again.