Enjoy a sparkling christmas day with a festive three and quarter hour lunch and sightseeing cruise along the thames river in london step aboard a comfortable boat and admire stellar views of the thames londons scenic riverbanks all free from the usual bustle and crowds as you cruise from westminster to greenwich and back sip on an aperitif as you drift by top london attractions such as big ben tower bridge and the london eye and feat on a traditional 3 course english christmas lunch of cl