Summer in Antarctica. 🌞 Penguins can swim joyfully in the melt pond. 🏊‍♀️ https://t.co/ZcKGqvW9yw https://video.twimg.com/ext_tw_video/1837244165484122112/pu/vid/avc1/720x1280/3NZhQnApACgZkQMK.mp4?tag=12