Reference subject: A lively street festival with music and dance A crowded sports event with cheering fans A busy urban traffic during rush hour A construction site with heavy machinery working A noisy family gathering with kids playing A concert with a popular band performing A fireworks display during a festival

参考主题Reference subject： A lively street festival with music and dance 有音乐的舞蹈的热闹街头节目 A crowded sports event with cheering fans 充满球迷欢呼声的拥挤体育赛事 A busy urban traffic during rush hour 高峰时段繁忙的城市交通 A construction site with heavy machinery working 正在作业的重型机械建筑工地 A noisy family gathering with kids playing 吵闹的家庭聚会，孩子们在玩耍 A concert with a popular band performing 一场受欢迎乐队的音乐会 A fireworks display during a festival 节日期间的烟花表演