"All things are difficult, before they are easy."
London
Buckingham palace: https://www.youtube.com/watch?v=zaCtiXLuy_4
London: top 10: https://www.youtube.com/watch?v=lZ_E6HggA4w&t=32s
attractions: https://www.youtube.com/watch?v=CTrHNiDFdqs
UK: top 10: https://www.youtube.com/watch?v=0kXCPo7c63I