8月20日，選手們參加“海洋家園建設”挑戰賽。8月19至24日，2025全國青少年信息素養大賽總決賽在浙江省桐鄉市舉行，來自全國各地的2.8萬余名選手，在智能應用、算法思維、自主創新三大領域的20個賽項中展開角逐。[新華社記者 徐昱 攝]

Contestants are pictured in a "marine homeland construction" competition during the finals of the China Youth Electronic & Information Literacy Contest in Tongxiang City, east China's Zhejiang Province, Aug. 20, 2025. The finals of the contest kicked off here on Tuesday and will last until Aug. 24. More than 28,000 contestants nationwide will compete in 20 events in three major fields including intelligent application, algorithmic thinking, and independent innovation. (Xinhua/Xu Yu)