I have an 8 hour layover at Heathrow, should I stay at the airport or is it enough time to step out for a bite to eat?

Posted by BabySharkFinSoup@reddit | AskUK | View on Reddit | 143 comments

Flying in from Italy, then leaving Heathrow for the US. I have never flown through Heathrow before, and was unsure if I should just stay put or brave venturing out.