In the video, a person is using a mortar and pestle to grind a green paste. The person is using the pestle to grind the paste, and the paste is becoming more homogenous as the person continues to grind it. The mortar and pestle are made of stone, and the paste is a bright green color. The person's hands are visible, and they are wearing a ring on their left hand. The background is not visible, and the focus is on the grinding process.