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In this photo taken by 2021 Human/Nature winner Ralph Pace, a discarded face mask attracts a curious California sea lion. This photo, taken in November 2020, marks he first time Pace saw a mask underwater, but hardly the last. Read more on @bioGraphic: https://t.co/FwKq64mS6p pic.twitter.com/n0OnhdYjIv
— BigPicture (@bigpicturecomp) May 29, 202112/12istock/GuliverImages