Shock, intrigue and controversy at Venice Biennale, as theme asks artists to reflect on politics

Video. Shock, intrigue and controversy at Venice Biennale, as theme asks artists to reflect on politics

There is plenty to see at the 58th Venice Biennale. From dismembered objects, a film from Chernobyl's "twin sister", and the wreck of a boat on which more than 600 migrants were killed.