Turkey, Kusadasi, Royal Caribbean cruise ships, Splendour of the Seas on left, Navigator of the Seas on right.

Germany, Berlin, Mitte, Museum Island. Berliner Dom, Berlin Cathedral with sightseeing tourists on a river cruise boat on the Spree.

Germany, Berlin, Mitte, Tourist Cruise boats on the River Spree near Friedrichstrasse.

England, London, Southwark southbank, The Shard skyscraper designed by Renzo Piano in the city's London Bridge Quarter.

England, London, Millennium Bridge and St Pauls Cathedral.

Mexico, Oaxaca, Huatulco, Playa La Entrega, Tour boat moored in clear, shallow water in foreground of sandy beach lined with thatched, open fronted restaurants.

Mexico, Oaxaca, Huatulco, Playa La Entrega, Stretch of sandy beach lined with thatched open fronted restaurants, with tour boat in shallow water in foreground.

Mexico, Michoacan, Patzcuaro, Crowded passenger boat on Lago Patzcuaro with Isla Janitzio beyond.

England, London, Tower Bridge, with the Olympic rings celebrating the 2012 Olympic Games.

Ireland, North, Belfast, Donegall Quay, New office development on the banks of the river Lagan.

Ireland, North, Belfast, Titanic Quarter, Visitor centre designed by Civic Arts & Eric R Kuhne, tour boat taking tourists on sightseeing cruise.

Ireland, North, Belfast, Titanic Quarter, tour boat taking tourists on sightseeing cruise.