fans

Fans of the Royal family wait outside the Lindo Wing of St Mary's hospital in London, April 20, 2015. Britain's Catherine, Duchess of Cambridge, is due to give birth to her second child at the hospital some time in the next two weeks

Cathal McNaughton/Reuters

Fans of the Royal family wait outside the Lindo Wing of St Mary’s hospital in London, on Monday. Britain’s Catherine, Duchess of Cambridge, is due to give birth to her second child at the hospital some time in the next two weeks

People do morning exercises on a polluted day in Jiaozuo, Henan province, March 16, 2015. China cannot relent on efforts to tackle pollution, though a rapid turnaround should not be expected, the environment minister told a news conference early this month during China's annual parliamentary meeting.

China Daily/Reuters

People perform morning exercises on a polluted day in Jiaozuo, Henan province, China on Monday.

Iran fans cheer before the start of their Asian Cup Group C soccer match against UAE at the Brisbane Stadium in Brisbane January 19, 2015.

Edgar Su/Reuters

Iran fans cheer before the start of their Asian Cup Group C soccer match against UAE at the Brisbane Stadium in Brisbane on Monday

The German soccer squad  arrives in central Berlin Tuesday, July 15, 2014. Germany s World Cup-winning team has returned home  from Brazil to celebrate the country s fourth title with huge crowds of fans. The team s Boeing 747 touched down at Berlin s Tegel airport midmorning Tuesday after flying a lap of honor over the  fan mile  in front of the landmark Brandenburg Gate.

Markus Schreiber/AP

The German football team arrives in central Berlin on Tuesday. Germany’s World Cup-winning team has returned home from Brazil to celebrate the country s fourth title with huge crowds of fans lining the streets

Joe Giddens/PA

A festival goer enjoys herself in the crowd during day one of the Wireless Festival at Perry Park, Birmingham on Friday

Fans on Murray Mount enjoy the sun as they watch the action on a big screen during day eleven of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon. PRESS ASSOCIATION Photo. Picture date: Thursday July 3, 2014.

Jonathan Brady/PA

Fans on Murray Mount enjoy the sun as they watch the action on a big screen during day eleven of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon

Algerian soccer fans celebrate after their team qualified for the World Cup, in Marseille, southern France, Thursday, June 26, 2014. Algeria drew with Russia 1-1, and advanced to the round of 16 for the first time in their World Cup history. (AP Photo/Claude Paris)

Claude Paris/AP

Algerian soccer fans celebrate after their team qualified for the World Cup, in Marseille, southern France, late on Thursday. Algeria drew with Russia 1-1, and advanced to the round of 16 for the first time in their World Cup history 

Festival goers arrive ahead of Glastonbury music festival, England, Thursday, June 26, 2014. Thousands of music fans will attend the festival this year to see headliners Dolly Parton, Arcade Fire, Metallica and Kasabian

Joel Ryan/Invision/AP

Festival goers arrive at the Glastonbury music festival in Somerset, England. Headline acts include Dolly Parton, Arcade Fire, Metallica and Kasabian

Argentinian fans wear masks as they attend the 2014 World Cup Group F soccer match against Nigeria at the Beira Rio stadium in Porto Alegre June 25, 2014.

Stefano Rellandini/Reuters

Argentinian fans wear masks as they attend the 2014 World Cup Group F football match against Nigeria at the Beira Rio stadium in Porto Alegre

Fans of Chile cheer before their 2014 World Cup Group B soccer match against Netherlands at the Corinthians arena in Sao Paulo June 23, 2014.

Maxim Shemetov/Reuters

Fans of Chile cheer before their 2014 World Cup Group B football match against Netherlands at the Corinthians arena in Sao Paulo

Fans take pictures of South Korean actor Kim Soo-hyun (not seen) during a fan meeting at a promotional event in Hong Kong April 23, 2014. REUTERS/Tyrone Siu

Tyrone Siu/Reuters

Fans take pictures of South Korean actor Kim Soo-hyun at a promotional event in Hong Kong

Tennis fans protect themselves from the sun during a first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 14, 2014.

Aaron Favila/AP

Tennis fans protect themselves from the sun during a first round match at the Australian Open tennis championship in Melbourne, Australia

Jordanian fans attend the World Cup play off first leg soccer match between Jordan and Uruguay at Amman International stadium in Amman, Jordan, Wednesday, Nov. 13, 2013.

Raad Adayleh/AP

Jordanian fans attend the World Cup play-off first leg soccer match between Jordan and Uruguay at Amman International stadium in Amman, Jordan.

Festival goers arriving for day one of the Reading Festival.

Yui Mok/PA

Festival goers arrive on the first day of Reading Festival in southern England on Friday. The festival runs until Sunday and the main acts include Eminem and Nine Inch Nails.

Fans of group One direction, display messages for Harry Styles,  ahead of the UK Premiere of One Direction: This Is Us, at a central London cinema, Tuesday, Aug. 20, 2013.

Jonathan Short/Invision/AP

Fans of the band One Direction display messages for member Harry Styles, ahead of the UK premiere of their film One Direction: This Is Us, at a central London cinema on Tuesday

Festival goers arriving for the Glastonbury Festival, at Worthy Farm in Somerset.  Picture date: Wednesday June 26, 2013.

Yui Mok/PA

Festival goers arrive for the Glastonbury Festival, at Worthy Farm in Somerset, on Wednesday. The 42nd festival will run until June 30, headlined by the Rolling Stones.