orologio en CB01 OFFICIAL. In 2003, the infectious disease SARS quickly spread across China, causing widespread panic. At the peak of the hysteria accompanying the mysterious epidemic, Ai Weiwei and his brother Ai Dan made a short film together, Ai Weiwei’s first. The film depicts the defiantly carefree attitude of their bohemian group of friends against the ominous backdrop of the SARS outbreak.