Unquestionably one of the most unique and innovative films which I'll see at the BFI LFF next month is Rithy Panh's Cannes-award-winning The Missing Picture. Panh uses stop-motion clay animation set beside archival footage and narration to relate the horrifying story of the Khmer Rouge's atrocities in 1970s Cambodia. Following excellent reviews in Cannes, the documentary won the Prix Un Certain Regard, beating many more acclaimed features such as Stranger by the Lake and Fruitvale Station. And since then it has gone on to receive more critical acclaim in festivals around the world, such as Karlovy Vary and San Sebastian, and it screens at New York tomorrow (the 30th of September). Based on the premise alone, this is one of my most hotly-anticipated films of my trip to London, never mind the reviews an awards to date.