Portugal, Porto, Vila Nova de Gaia, Decorated tourist boat with passengers in transit and Rabelo cargo boats plus the Ribeira area of Porto in the background.

Austria, Tyrol, Innsbruck, Hungerburgbahn funicular station designed by Zaha Hadid and opened in 2007.

Austria, Tyrol, Innsbruck, Hungerburgbahn funicular station designed by Zaha Hadid and opened in 2007.

Austria, Tyrol, Innsbruck, Hungerburgbahn funicular station designed by Zaha Hadid and opened in 2007.

Austria, Tyrol, Innsbruck, Hungerburgbahn funicular station designed by Zaha Hadid and opened in 2007.

Austria, Tyrol, Innsbruck, Hungerburgbahn funicular station designed by Zaha Hadid and opened in 2007.

Austria, Tyrol, Innsbruck, Hungerburgbahn funicular station designed by Zaha Hadid and opened in 2007.

Holland, Rotterdam, View of the Erasmusbrug or Erasmus Bridge over the Nieuwe Maas River with cyclists and pedestrians in transit.

Germany, Bavaria, Berchtesgaden, Berchtesgadener Alps, Jennerbahn chairlift in transit to the summit of the Jenner Mountain with skiers on board.

Germany, Bavaria, Berchtesgaden, Berchtesgadener Alps, Jennerbahn gondolas in transit to the summit of the Jenner Mountain.

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

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

Ireland, County Kerry, Iveragh Peninsula, Ring of Kerry, Kenmare, Kenmare Stone Circle and hawthorn fairy trees with wishes left by visitors on notepaper.

England, Hawthorn, Pink Variation, called Midland Hawthorn (Crataegus Laevigata) in blossom.

Tree, Single, Common Hawthorn tree in full white blossom during the month of may. crataegus monogyna. england worcestershire worchester.