The wall of a jail cell, smeared with excrement as an act of protest, was filmed with such compositional care that it became, in effect, a work of abstract art, allowing us to forget what it actually was: human waste, applied with human rage, and surely unbearable to the human nose.

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But a spokesperson for the gallery told BBC arts correspondent Will Gompertz that it would not change its policy of allowing people up close to the art.

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With built-in Wi-Fi connectivity and flash support, this offering creates a state-of-the-art entertainment center on any television monitor, allowing users to experience their favorite Android apps and the Smart TV experience without shelling out top dollar.

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Moonbase even has support for sharing animations, and the option to fork existing creations, allowing users to put their own spin on works of art.

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Nearly three decades later, the ban was lifted, allowing a new generation of young Shanghaiers to enjoy the once forbidden art.

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