TED
https://www.youtube.com/watch?v=4xKgo0_HGRM&t=25s I watch this video about stairs. This video talked about how the stairs work and the presenter told the feelings about stairs. From this video, I realize that each thing has its value. Each item exists in this world which will have its role. Stairs are not only the tools for people, they are also the signs for some places. They can give people convenient and comfortable. Through watching the video, I practice English skill. In the future life, I want to watch the things more objective. Respect each living.