A payment code printed on cardboard made from recyclable paper is pictured during the Boao Forum for Asia (BFA) Annual Conference 2025 in Boao, south China's Hainan Province, March 26, 2025. Since its formal inauguration in 2001, the BFA has served as a key platform for the advancement of green development across Asia, facilitating the exchange of insights to promote sustainable growth in the region and beyond. This year's conference continues to implement carbon reduction measures such as renewable energy use, eco-friendly venue construction, sustainable transportation, and green accommodation services. (Xinhua/Du Xiaoyi)