8月20日，選手們參加“海洋家園建設(shè)”挑戰(zhàn)賽。8月19至24日，2025全國青少年信息素養(yǎng)大賽總決賽在浙江省桐鄉(xiāng)市舉行，來自全國各地的2.8萬余名選手，在智能應(yīng)用、算法思維、自主創(chuàng)新三大領(lǐng)域的20個賽項(xiàng)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)