A pair of twins are pictured during the 19th Mojiang international twins festival in Mojiang Hani Autonomous County, southwest China's Yunnan province, May 1, 2025. Over 1,000 multiple births from around the world took part in a parade during the twins festival in Mojiang Hani Autonomous County on Thursday. (Xinhua/Chen Xinbo)

A pair of twins are pictured during the 19th Mojiang international twins festival in Mojiang Hani Autonomous County, southwest China's Yunnan province, May 1, 2025. Over 1,000 multiple births from around the world took part in a parade during the twins festival in Mojiang Hani Autonomous County on Thursday. (Xinhua/Chen Xinbo)

A pair of twins are pictured during the 19th Mojiang international twins festival in Mojiang Hani Autonomous County, southwest China's Yunnan province, May 1, 2025. Over 1,000 multiple births from around the world took part in a parade during the twins festival in Mojiang Hani Autonomous County on Thursday. (Xinhua/Chen Xinbo)

A pair of twins from Chad are pictured during the 19th Mojiang international twins festival in Mojiang Hani Autonomous County, southwest China's Yunnan province, May 1, 2025. Over 1,000 multiple births from around the world took part in a parade during the twins festival in Mojiang Hani Autonomous County on Thursday. (Xinhua/Chen Xinbo)

A pair of twins are pictured during the 19th Mojiang international twins festival in Mojiang Hani Autonomous County, southwest China's Yunnan province, May 1, 2025. Over 1,000 multiple births from around the world took part in a parade during the twins festival in Mojiang Hani Autonomous County on Thursday. (Xinhua/Chen Xinbo)

A pair of twins from Sri Lanka pose for group photos with citizens during the 19th Mojiang international twins festival in Mojiang Hani Autonomous County, southwest China's Yunnan province, May 1, 2025. Over 1,000 multiple births from around the world took part in a parade during the twins festival in Mojiang Hani Autonomous County on Thursday. (Xinhua/Chen Xinbo)