@arch_inside: Japanese expressway tunnels cram dozens of lights into the first stretch of the entrance - and it is not a wiring mistake. On a sunny day, a tunnel entrance looks like a pitch-black hole, and a broken-down car just inside disappears. Brake hard and you get rear-ended; keep going and you are driving blind. So how do you light a tunnel for eyes that cannot keep up? Watch to the end. #japan #tunnel #engineering #DidYouKnow #driving