Every country around the world seems to have issued guidance in this area. While the UK is more restrictive than most, the norm, also the rules in the US, seems to be keeping the drone within eyesight, flying no higher than 400 feet, staying away from crowds, possibly registering the device, and not flying closer than five miles from airports. There are more restrictive countries like Morocco where drones are now completely banned. If you bring a drone into the country without declaring it, they will confiscate the device. Australia has very similar rules to the US which are less onerous than the new UK rules. I have flown in UAE, Costa Rica, US, UK, Colombia, Switzerland, and several other countries and most allow you to fly following the aforementioned rules.