The video shows a first-person view of a Minecraft player building a structure. The player places a series of blocks in a straight line, creating a path. The path is made of different colored blocks, including brown, red, and white. The player then places a red block at the end of the path and activates it, causing it to spread down the path and create a red trail. The player then places a series of white blocks on either side of the path, creating a border. The video ends with the player looking down the path, which is now bordered by white blocks and has a red trail down the middle.