Visitors travelling from Europe to the UK through Brussels' Midi railway station react to the new requirement for digital permits imposed by the UK government. "It's an extra step," says Vera, a German traveller, "but I mean it’s less of a hassle then the passport requirement that was added three years ago". The introduction of Electronic Travel Authorisation (ETA) is a shakeup of longstanding travel rules which UK officials say will boost security and streamline entry processes. IMAGES AND SOUNDBITES