Funafuti Atoll, TuvaluThe Pacific island has a storied past in the study of atoll formation and a tenuous future as it adapts to sea level rise. View the full storyCredits: NASA Earth Observatory / Wanmei Liang Download Share Tags Earth Observatory Image of the DayTakenSeptember 28, 2023Image CreditNASA Earth Observatory / Wanmei LiangSize720x900px