This photo taken on March 30, 2023 shows the photovoltaic floor tiles in front of the press center of the Boao Forum for Asia (BFA) in Boao, south China's Hainan Province. The Boao Forum for Asia (BFA) holds its annual conference from March 28 to 31 in Boao, a coastal town in China's southernmost province of Hainan. Green development and new energy drew much attention during the conference. (Xinhua/Yang Guanyu)