The Young Artists and Authors Showcase (YAAS) is an annual art contest that encourages youth worldwide to express the mission of Sister Cities International through original artwork, literature, poetry, photography, and music.

     Submissions are centered around an annual theme and judged based on originality, composition, and theme interpretation. 

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     青年艺术家和作家作品展（YAAS）是一项年度艺术竞赛，旨在鼓励全球青年通过原创艺术作品、文学、诗歌、摄影和音乐来表达国际姐妹城市的使命。
     参赛作品围绕一个年度主题，根据原创性、构图和主题诠释进行评判。