McDonald's in Virginia Bans Customers Under 21 Years Old

McDonald's has been one of the largest fast-food chains in the world because it's doors are almost always open to customers. Well, that won't be the case for one location in the United States. 

A McDonald's in Alexandria, Virginia, has banned dine-in service to customers under the age of 21. Only drive-thru and mobile ordering is available for them at this time. If people 21 and older want to be let in, they'll have to ring the doorbell. 

There's a sign by the entrance of this McDonald's...