Revellers celebrate moments before the rocket fire or “Txupinazo” marks the start of the Festival of San Fermin (or Sanfermines) at Consistorio square in Pamplona, Spain, 06 July 2014. (Photo by Javier Lizin/EFE)

Revelers in beverage stained white t-shirts celebrate just after the rocket fire or “Txupinazo” marked the start of the Festival of San Fermin (or Sanfermines) in Pamplona, Spain, 06 July 2014. The annual nine day long running-with-the-bulls fiesta commemorates St. Fermin, Pamplona's patron saint. (Photo by Jesus Diges/EPA)

Participants celebrate the “Chupinazo” to mark the start at noon sharp of the San Fermin Festival in front of the Town Hall of Pamplona, northern Spain, on July 6, 2014. A red-and-white sea of revellers soaked each other with wine in a packed Pamplona square on Sunday to kick off Spain's most famous fiesta, the San Fermin bull-running festival. (Photo by Rafa Rivas/AFP Photo)

Thousands of revellers hold up their red scarfs as the rocket fire or “Txupinazo” marks the start of the Festival of San Fermin (or Sanfermines) at Consistorio square in Pamplona, Spain, 06 July 2014. The annual nine day long running-with-the-bulls fiesta commemorates St. Fermin, Pamplona's patron saint. (Photo by Javier Lizin/EFE)

Revellers celebrate moments before the rocket fire or “Txupinazo” marks the start of the Festival of San Fermin (or Sanfermines) at Consistorio square in Pamplona, Spain, 06 July 2014. (Photo by Javier Lizin/EFE)

Revellers crowd Consistorio square moments before the rocket fire or “Txupinazo” marks the start of the Festival of San Fermin (or Sanfermines) in Pamplona, Spain, 06 July 2014. The annual nine day long running-with-the-bulls fiesta commemorates St. Fermin, Pamplona's patron saint. (Photo by Javier Lizin/EFE)

Revellers celebrate moments before the rocket fire or “Txupinazo” marks the start of the Festival of San Fermin (or Sanfermines) at Consistorio square in Pamplona, Spain, 06 July 2014. (Photo by Javier Lizin/EFE)

A group of revellers take a “selfie” moments before the rocket fire or “Txupinazo” that marks the start of the Festival of San Fermin (or Sanfermines) in Pamplona, Spain, 06 July 2014. The annual nine day long running-with-the-bulls fiesta commemorates St. Fermin, Pamplona's patron saint. (Photo by Jesus Diges/EPA)

A man crowd surfs as thousands of revellers wait for the traditional “Txupinazo” rocket fire that marks the start of the Festival of San Fermin (or Sanfermines) at Consistorio square in Pamplona, Spain, 06 July 2014. (Photo by Javier Lizin/EFE)

Revellers celebrate moments before the rocket fire or “Txupinazo” marks the start of the Festival of San Fermin (or Sanfermines) at Consistorio square in Pamplona, Spain, 06 July 2014. (Photo by Javier Lizin/EFE)

Revellers celebrate moments before the rocket fire or “Txupinazo” marks the start of the Festival of San Fermin (or Sanfermines) at Consistorio square in Pamplona, Spain, 06 July 2014. (Photo by Javier Lizin/EFE)

Revellers celebrate moments before the rocket fire or “Txupinazo” marks the start of the Festival of San Fermin (or Sanfermines) at Consistorio square in Pamplona, Spain, 06 July 2014. (Photo by Javier Lizin/EFE)