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1 of 11An inmate and a foreign fighter pose before their fight at Klong Pai prison on July 12, 2014 in Nakhon Ratchasima, Thailand.Borja Sanchez Trillo—Getty Images -
2 of 11Assistants carry out a massage on an inmate before his fight as a prison officer stands by at Klong Pai prison on July 12, 2014 in Nakhon Ratchasima, Thailand.Borja Sanchez Trillo—Getty Images -
3 of 11An inmate kicks a foreigner fighter during a Muay Thai fight at Klong Pai prison on July 12, 2014 in Nakhon Ratchasima, Thailand.Borja Sanchez Trillo—Getty Images -
4 of 11An inmate rests as his head bleeds during a Muay Thai fight at Klong Pai prison on July 12, 2014 in Nakhon Ratchasima, Thailand.Borja Sanchez Trillo—Getty Images -
5 of 11An inmate is helped after he falls to the floor during a Muay Thai fight at Klong Pai prison on July 12, 2014 in Nakhon Ratchasima, Thailand.Borja Sanchez Trillo—Getty Images -
6 of 11An inmate prepares himself before his fight at Klong Pai prison on July 12, 2014 in Nakhon Ratchasima, Thailand.Borja Sanchez Trillo—Getty Images -
7 of 11An inmate's foot is seen beside a drop of blood and bandage after a fight at Klong Pai prison on July 12, 2014 in Nakhon Ratchasima, Thailand.Borja Sanchez Trillo—Getty Images -
8 of 11Inmates react during a Muay Thai fight at Klong Pai prison on July 12, 2014 in Nakhon Ratchasima, Thailand.Borja Sanchez Trillo—Getty Images -
9 of 11Detail of a bloody boxing glove as an inmate rests during a Muay Thai fight at Klong Pai prison on July 12, 2014 in Nakhon Ratchasima, Thailand.Borja Sanchez Trillo—Getty Images -
10 of 11An inmate prepares himself before his fight at Klong Pai prison on July 12, 2014 in Nakhon Ratchasima, Thailand.Borja Sanchez Trillo—Getty Images -
11 of 11A foreign fighter prepares himself before his fight at Klong Pai prison on July 12, 2014 in Nakhon Ratchasima, Thailand.Borja Sanchez Trillo—Getty Images
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