Ireland, County Offaly, Clonmacnoise, Temple Finghin and McCarthy's Tower viewed through an open window of the cathedral.

Ireland, Belfast, Titanic Quarter, Titanic Belfast Visitor Experience, Section of the building viewed through one of the letters.

USA, New York State, New York City, Manhattan, Typical Chelsea architecture viewed from the High Line public park.

USA, New York State, New York City, Manhattan, Typical Chelsea architecture viewed from the High Line public park.

Poland, Warsaw, Colourful facades in Plac Zamkowy or Castle Square viewed through arch of Royal Castle entrance.

Nepal. Kathmandu, The top of the Great Stupa, viewed through flag-poles covered with Buddhist prayer flags, illuminated at night, with the moon in the background.

England, London, The Walkie Talkie Building viewed above the rooftops of offices in Great Tower Street.

England, London, The Walkie Talkie Building viewed above the rooftops of offices in Great Tower Street.

England, London, The Walkie Talkie Building viewed from Gracechurch Street.

England, London, The Modern skyline of London including the Cheesegrater, Walkie Talkie and Ghetkin Buildings viewed from More London.

England, London, The Modern skyline of the City of London with The Cheesegrater Building viewed from Cornhill.

England, London, The Modern skyline of the City of London with The Gherkin Building viewed between two modern office blocks.