Core Insights - The Delta Cup International Solar Building Design Competition celebrated its 20th anniversary, focusing on the theme "Becoming the Sun" and discussing the future of solar architecture under the "dual carbon" goals [1][2] Group 1: Competition Overview - The competition has seen participation from over 12,132 teams across more than 90 countries and regions, with 2,636 valid submissions and 7 projects realized [1] - The event serves as a platform for promoting renewable energy applications in architecture and has contributed to international cooperation in green development [1][2] Group 2: Industry Impact - The competition has raised awareness of green building practices, with significant achievements in China's green architecture sector [1] - It has fostered the development of numerous green building talents and encouraged the design of energy-efficient and comfortable buildings [1][2] Group 3: Recent Developments - The 2025 Delta Cup competition attracted 614 teams globally, with 178 valid submissions, focusing on the theme "Sunshine · Urban Renewal" [2] - Winning projects included "Three-Dimensional Farm and Photosynthetic Furnace" by Shenzhen University and "Boundary Temple Fair · National Revival" by Northern Industrial University [2]