Participant wearing medieval costumes react during an annual re-enactment of a battle near the village of Libusin, Czech Republic, April 23, 2016. About 2000 enthusiasts have come to simulate the medieval battle during the 24rd annual swordsmen gathering in Libusin village. (Photo by David W. Cerny/Reuters)





Participants wearing medieval knight costumes perform during an annual re-enactment of a battle near the village of Libusin, Czech Republic, April 23, 2016. (Photo by David W. Cerny/Reuters)





Participant wearing medieval costumes perform during an annual re-enactment of a battle near the village of Libusin, Czech Republic, April 23, 2016. (Photo by David W. Cerny/Reuters)





Participant wearing medieval costumes perform during an annual re-enactment of a battle near the village of Libusin, Czech Republic, April 23, 2016. (Photo by David W. Cerny/Reuters)





Participant wearing medieval costumes perform during an annual re-enactment of a battle near the village of Libusin, Czech Republic, April 23, 2016. (Photo by David W. Cerny/Reuters)





Participant wearing medieval costumes perform during an annual re-enactment of a battle near the village of Libusin, Czech Republic, April 23, 2016. (Photo by David W. Cerny/Reuters)





Participant wearing medieval costumes perform during an annual re-enactment of a battle near the village of Libusin, Czech Republic, April 23, 2016. (Photo by David W. Cerny/Reuters)





Participant wearing medieval costumes perform during an annual re-enactment of a battle near the village of Libusin, Czech Republic, April 23, 2016. (Photo by David W. Cerny/Reuters)





A participant wearing medieval costume performs during an annual re-enactment of a battle near the village of Libusin, Czech Republic, April 23, 2016. (Photo by David W. Cerny/Reuters)





Participants wearing medieval costumes perform during an annual re-enactment of a battle near the village of Libusin, Czech Republic, April 23, 2016. (Photo by David W. Cerny/Reuters)





Participant wearing medieval costumes perform during an annual re-enactment of a battle near the village of Libusin, Czech Republic, April 23, 2016. (Photo by David W. Cerny/Reuters)





Participant wearing medieval costumes perform during an annual re-enactment of a battle near the village of Libusin, Czech Republic, April 23, 2016. (Photo by David W. Cerny/Reuters)





Participant wearing medieval costumes perform during an annual re-enactment of a battle near the village of Libusin, Czech Republic, April 23, 2016. (Photo by David W. Cerny/Reuters)





Participant wearing medieval costumes perform during an annual re-enactment of a battle near the village of Libusin, Czech Republic, April 23, 2016. (Photo by David W. Cerny/Reuters)





Some two thousand participants wearing medieval knight costumes fight during an annual re-enactment of a battle near the village of Libusin, Czech Republic, April 23, 2016. (Photo by David W. Cerny/Reuters)





Participants in medieval costumes perform the treatment of a mock arrow wound during an annual re-enactment of a battle near the village of Libusin, Czech Republic, April 23, 2016. (Photo by David W. Cerny/Reuters)





Participants wearing medieval costumes perform during an annual re-enactment of a battle near the village of Libusin, Czech Republic, April 23, 2016. (Photo by David W. Cerny/Reuters)