Summer highlights: The best docs of the year

Lea Glob on her mesmerising doc Apolonia, Apolonia, which covers 13 years in the life of talented artist Apolonia Sokol.

Producer Nadim Cheikhrouha discusses the inventive Oscar-nominated documentary Four Daughters, about a Tunisian woman whose two eldest daughters were radicalised by Islamic extremists.

Ukrainian filmmaker Mstyslav Chernov's Oscar-nominated 20 Days in Mariupol is a raw, unflinching account of the Ukrainian siege through the courageous reporting of AP journalists.