"Vatican City has a railway station - with only one train a week bringing in bonded duty-free goods, a Post Office, a radio station, a pharmacy, a supermarket, a fire brigade, a five-star hotel, and one of the world's most visited museums ... " Now that must be one big train.
Angus Gafraidh, London UK
As the owner of a Samsung Galaxy Note, I can indeed confirm that they are the world's biggest phone.
Basil Long, Nottingham
Jinja (Thursday's letters), how about Mr Bunn the Baker? Oh hang on, that's not a real person.
Jo Penn, Lichfield, UK
"Ageism"? No, I think it's called "coming to their senses".
Tom Hartland, Loughborough, UK
To Martin, Hemel Hempstead (Thursday's letters): I keep reloading the letters page, but details of how to find this page are simply not appearing. Oh the irony of it...
Fi, Gloucestershire, UK