Austria, Vienna, the colourful Hundertwasserhaus apartment block, built from the idea and concept of Austrian artist Friedensreich Hundertwasser with architect Joseph Krawina as a co-creator.

Austria, Vienna, the colourful Hundertwasserhaus apartment block, built from the idea and concept of Austrian artist Friedensreich Hundertwasser with architect Joseph Krawina as a co-creator.

Austria, Vienna, the colourful Hundertwasserhaus apartment block, built from the idea and concept of Austrian artist Friedensreich Hundertwasser with architect Joseph Krawina as a co-creator.

Austria, Vienna, Stephansdom or St Stephens Cathedral, Close up view of the colourful roof tiles from the South Tower.

Austria, Vienna, Stephansdom or St Stephens Cathedral, View from the South Tower with Vienna in the background and the dome of Peterskirche and spires of the Votivkirche prominent..

Austria, Vienna, Stephansdom or St Stephens Cathedral, View of the colourful roof tiles from the South Tower with Vienna in the background.

Ireland, North, Belfast, Titanic Quarter, Tourists awaiting Glider rapid transit bus.

Ireland, North, Belfast, Titanic Quarter, Tourists awaiting Glider rapid transit bus.

Ireland, North, Belfast, Titanic Quarter, Tourists awaiting Glider rapid transit bus.

Ireland, North, Belfast, Titanic Quarter, Tourists awaiting Glider rapid transit bus.

Ireland, North, Belfast, Titanic Quarter, Tourists awaiting Glider rapid transit bus.

Ireland, North, Belfast, Titanic Quarter, Tourists at bus stop awaiting tour bus.