London Eye Trafalgar Square, Horse Guards parade, Downing St

London Eye
Big Ben, Houses of
parliament,
Westminster Abbey
London Eye
Trafalgar Square, Horse Guards parade, Downing St., Westminster (Big Ben)
Riverside walk towards London bridge, Millenium bridge, Tower bridge ... etc.
The cellarium cafe (http://
www.cellariumcafe.com/) underneath
Westminster Abbey do nice tea and scones.