Filmmaker Jennifer Baichwal and her Manufactured Landscapes collaborator, photographer Edward Burtynsky explore water around the world as compromised natural resource in their new documentary, Watermark. Performance from folksinger Basia Bulat, a preview from her forthcoming album, Tall Tall Shadow. She'll be touring North America this fall. Jian talks to the curators of musician David Bowie, a travelling exhibition featuring objects from his personal archive, described as celebrating the groundbreaking artist's collaborations in the fields of fashion, sound, theatre, art and film.