A fan lies passed out on the first day of the Wacken Open Air heavy metal music fest on August 4, 2011 in Wacken, Germany. Approximately 75,000 heavy metal fans from all over the world have descended on the north German village of 1,800 residents for the annual three-day fest. (Photo by Sean Gallup/Getty Images)

A model poses backstage during the Speedo show as part of Mercedes Benz Fashion Festival Sydney 2011 at Sydney Town Hall on August 24, 2011 in Sydney, Australia. (Photo by Stefan Gosatti/Getty Images)

A goose sits atop eggs in a flower bed on the Wisconsin Ave. bridge, Friday, April 19, 2013, feathers ruffled in the cold blowing wind and snowflakes. The goose is near to the statues dedicated to Gertie the duck who made international news when she built her nest next to the same bridge in 1945 and captured the attention of Milwaukee at the end of the war. A statue commemorating “Gertie the Duck” sits on the other side of the bridge. The goose has several eggs she is sitting on. (Photo by Mike De Sisti)

The Dragon Bridge (Vietnamese: Cầu Rồng) is a bridge over the River Hàn at Da Nang, Vietnam. Construction of the bridge began on 19 July 2009 (the same day as the inauguration of the nearby Thuận Phước Bridge) when the Prime Minister of Vietnam Nguyen Tan Dung and many high-ranking government officials attended the groundbreaking ceremony. Dragon Bridge is 666m long, 37.5m wide and has six lanes for traffic. It opened to traffic on March 29, 2013, at a cost os nearly VND 1.5 trillion dong (US$88m). The bridge was designed by the US-based Ammann & Whitney Consulting Engineers with Louis Berger Group. Construction was undertaken by Company No. 508, an affiliate of Civil Construction Engineering Corporation No.5, and Bridge Company No. 75.

Catwalks hang over a section of the newly constructed eastern span of the San Francisco-Oakland Bay Bridge during a media tour of the self-anchored suspension span tower on August 29, 2011 in Oakland, California. Contruction crews have erected twelve foot wide catwalks that connect to the San Francisco-Oakland Bay Bridge self-anchored suspension span's tower and crews will begin to lay the nearly one mile of main cable beginning in early 2012. The bridge has been under constrution since 2002 with an estimated price tag of $6.3 billion and will have the world's tallest Self-Anchored Suspension (SAS) tower once completed. (Photo by Justin Sullivan/Getty Images)

French artist Olivier Grossetête used three enormous helium balloons to float a rope bridge over a lake in Tatton Park, a historic estate in north-west England.

DJI Phantom 3 Severe Crash - Train Bridge

A model walks the runway at the Elie Saab fashion show during Paris Fashion Week on March 9, 2011 in Paris, France.