NANTOU, TAIWAN - SEPTEMBER 20: A wide panoramic view shows a sea of over 21,700 swimmers in bright pink caps filling the open waters from Chaowu Pier toward Ita Thao Pier under event marker balloons during the 44th Sun Moon Lake Swimming Carnival on September 20, 2026 in Nantou, Taiwan. Over 21,700 swimmers from 38 countries and regions, equipped with brightly colored safety buoys, traverse the open waters of Sun Moon Lake from Chaowu Pier to Ita Thao Pier during the 44th Sun Moon Lake Swimming Carnival, one of Taiwan's largest outdoor water sports events featuring upgraded real-time dual-chip tracking systems for safety. (Photo by Cheng Chia Huang/Getty Images)