The video shows a first-person view of a player in a video game, specifically Minecraft, as they build a structure using glass blocks. The player places the glass blocks in a specific pattern to create a wall or barrier. The glass blocks are transparent and reflect the light, giving the structure a shiny appearance. The player's inventory is visible at the bottom of the screen, showing various items such as blocks and tools. The background is a clear blue sky, indicating that the player is in a creative mode where the sky is always clear.