After the rain, a young pioneer wearing a red scarf spotted a blocked roadside drain. He paused to check the situation before stepping into the water to unclog it. "The dash of red on his chest seemed to glow even brighter." 红领巾少年雨后发现路边下水口堵塞，驻足观察后踩入水中开始清理下水口。“少年胸前的一抹红色好像更加鲜艳了。”