How to unlock London Calling Badge Foursquare

1. Check in 5 venue Greater London

http://4sq.com/vAL5Ph

4sq.com/vmASdE

4sq.com/tVKufV

4sq.com/up0U8e

4sq.com/tzX00j

London Calling Badge message: From Buckingham Palace to Brick Lane, The Savoy Hotel to Soho Square, and Downing Street to Diagon Alley, you’ve seen the city’s best... and all before teatime. Add a spoonful of sugar for us! Well done, chap.