Thirsty while running? Here, have a seaweed ball full of sports drink.
원문출처 : https://www.cnn.com/2019/04/26/business/london-marathon-seaweed-water-bottles/index.html
원문출처 : https://www.cnn.com/2019/04/26/business/london-marathon-seaweed-water-bottles/index.html