The video exists in two versions -- one is 30 seconds long, the other is a minute. The promo is viewable in the clip below. The Valentine's Day-themed promo is also expected to run on screens in
Ai's work is currently the subject of a traveling retrospective that is at the Hirshhorn Museum in Washington through Feb. 24.
In 2011, Beijing officials threw the artist into secret detention for 81 days, apparently for his online activism. Ai has been openly critical of the Chinese government for its suppression of free speech and its handling of the Sichuan