Chinese artist Ai Weiwei opens installation on Alcatraz island . Exhibit 's theme explores themes of imprisonment , dissent . It also aims to raise awareness about prisoners of conscience . Slogans are painted on posters hanging from prominent bridges -- suggesting the political power of art . Score: 6
Chinese artist Ai Weiwei opens installation on Alcatraz island . Exhibit 's theme explores themes of imprisonment , dissent . It also aims to raise awareness about prisoners of conscience . Score: 6