An exceptional collection of some of the most amazing crowd scenes we've ever caught on camera.
Competitors carve a path through the sea of onlookers during the first stop of the Red Bull Crashed Ice World Championship in Saint Paul, USA, 2012.
Travis Pastrana and Ronnie Renner get up-close-and-personal with fans after the Red Bull X-Fighters Super Session in Warsaw, Poland, in 2008.
A high angle shot shows the scale of the crowds on Brasilia's Esplanade during the Brazil stop of the Red Bull X-Fighters World Tour 2011.
The Amphitheatre in Lecce, Italy, looks like a scene from ancient Rome during the Red Bull Street Style freestyle football world final in 2011.
Ninja, front man of South African rave-rap crew Die Antwoord, surfs on the support of his fans at the Voodoo festival in New Orleans, 2012.
Alexey Kolesnikov and Daniel Bodin meet the public at the X-Fighters Jam event in Baku, Azerbaijan in May 2013.
Ravers gathered in huge numbers for Red Bull Hosted By Modeselektor in Berlin, Germany, on June 21 2013.
After days of heavy rain, the weather finally improved and fans flocked to events like the GoPro BMX Big Air Finals at the Summer X Games in Munich 2013.
You had to take to the skies to get a real sense of the scale of the crowds at the AirPower13 event in Zeltweg, Austria in June 2013.
Red Bull Flugtag in Moscow drew vast numbers of onlookers keen to see those magnificent men in their flying machines attempt to get airborne in July 2013.
Supporters of FC Red Bull Salzburg create a sea of red and white as they cheer on their team against Fenerbahce of Istanbul in the UEFA Champions League qualifiers on July 31 2013.
A drummer's-eye-view as Cherub bring their brand of sexy electro-pop to the Perry stage at Lollapalooza in Chicago, August 2013.