It wasn’t the traditional holiday scene: an eerily quiet airport, one half of it shut. I’m no stranger to turning up at dawn to catch a cheap flight to Europe, but this felt different. Five months after my last trip out of the country, I could barely remember what I needed to pack. After 19 long weeks, international leisure travel finally got the green light from Monday 17 May, under the much-publicised “traffic light” system. A slender list of.