From offbeat French thrillers and Iranian existentialism to edgy Nollywood tales, BFI London Film Festival 2026’s bountiful global movie line-up proves subtitles aren’t a barrier to entertainment. The fate of breakout festival favourites from the last two years could hardly be more different. Gints Zilbalodis’ Flow (2024, Latvia), a mesmerizing, dialogue-free animation about thrown-together companion...