Spacelog: Taikonaut 'paints' Olympic rings in space with pH indicator

See how Chinese taikonaut Wang Yaping “painted” the Olympic rings in space with pH indicator. #space #BeijingWinterOlympics https://bit.ly/34a8ika Watch CGTN LIVE on your computer, tablet or mobile http://america.cgtn.com/livenews Subscribe to CGTN America on YouTube Follow CGTN America: Twitter: @cgtnamerica Facebook: @cgtnamerica Instagram: @cgtnamerica TikTok: @cgtnamerica