Screengrab taken from PA Video of passenger Christian Marcelin at London Heathrow Airport's T3 as the US reopens its borders to UK visitors in a significant boost to the travel sector. Thousands of travellers are jetting off on transatlantic flights for long-awaited reunions with family and friends. Picture date: Monday November 8, 2021. PA Photo. See PA story Transport US. Photo credit should read: Marc Ward/PA Wire