Found it - OK I have confirmation from some very kind people of 25 b) and therefore (to my own satisfaction have all the answers to the Sunday Times Travel quiz. Given the help I've received from this...
Realy frustrted here... Q 24a,and 24c and 25b.
Anyone else thing 25a Might e Magellan rather than Marco Polo ?
Also 17D, City if I refered to:Born ?
Happy to trade anything else