This is an improvisational brain-hole work at the weekend. Yesterday, when I refreshed the news about Gagarin, the first human being to step into the universe, it evoked my memory and worship of space. Although we grew up on the earth, we always had a yearning and expectation for space. We sat on a chair in the park and looked up at the shining starry sky, it is like returning to the ignorant age when human beings have just begun to explore space, so my brain flashed back the figure of Sputnik 1, the first man-made satellite of human beings, and then I improvised to record the brain holes of brainstorming. Improvised brain holes may be rough and casual.