European twin towns
... that one can see all of the London Borough of Sutton's European twin towns without needing a passport?
... that one can see all of the <a href="./London_Borough_of_Sutton" id="mwAUM" rel="mw:WikiLink" title="London Borough of Sutton">London Borough of Sutton</a>'s <b id="mwAUQ"><a href="./Sutton_twin_towns_mural" id="mwAUU" rel="mw:WikiLink" title="Sutton twin towns mural">European twin towns</a></b> without needing a passport?