Watch the full Spark episode.

From themes of political suppression to mankind’s misuse of the
land, Spark highlights work that is both spellbinding and thought-provoking.

Chinese artist and dissident Ai Weiwei delves into themes of
freedom of speech and imprisonment in a large-scale art installation
on the notorious former prison island of Alcatraz. More info.

David Maisel’s stunning aerial photographs reveal landscapes
irrevocably altered by mankind, from the eerie salt flats of Owens
Lake to the open pit mines of the American West. More info.

The Market Street Prototyping Festival explores an innovative
urban planning approach designed to bring new life and public art
to a neglected urban corridor in San Francisco.

Michael Tilson Thomas and the San Francisco Symphony appeal
to younger, more diverse audiences by creating a more contemporary
classical music experience, complete with video projections, casual
seating and even a bar.