
Visitors to the Tate Modern art gallery in London may be leaving the latest exhibition in tears, and they may not even see the entire exhibit.
Best known for her politically engaged projects, Cuban artist Tania Bruguera is showing a new piece that addresses the issue of global migration.
Her interactive installation features a menthol-scented room, designed to provoke crying, and a concealed image that requires the cooperation of hundreds of people to view.
Al Jazeera's Charlie Angela reports from London.