Do you like walking? TfL has an offer for you.
Transport for London's 'Walk London' project will be offering some dozens of free guided walks on 3rd & 4th of February, the beginning of its 11th year. The details won't be on-line for a couple of days but you can ensure of hearing about them by going to this url...
http://www.walklondon.org.uk/
Add an e-mail address in the box at the bottom of the page and they'll send you the details as soon as they're revealed.
One point of advice, if any of the walks particularly attracts you, sign-up immediately as they are very popular. If you're unfortunate you might find me being your walk leader!
All the best - Ian