A man swims in the ocean in Hilo, Hawaii, Friday, May 11, 2018. Warnings that Hawaii's Kilauea volcano could shoot boulders and ash out of its summit crater are prompting people to rethink their plans to visit the Big Island. But most of the rest of the island is free of volcanic hazards, and local tourism officials are hoping travelers will recognize the Big Island is ready to welcome them. (Photo by Jae C. Hong/AP Photo)
