Enthusiasts dressed in historical costumes enjoy a ride on high-heel bicycles during their traditional meeting in Prague, Czech Republic, Saturday, November 5, 2016. (Photo by Petr David Josek/AP Photo)





A man wearing a historical costume adjusts his high-wheel bicycle before the annual penny farthing race in Prague, Czech Republic November 5, 2016. (Photo by David W. Cerny/Reuters)





Participants wearing historical costumes ride their high-wheel bicycles during the annual penny farthing race in Prague, Czech Republic November 5, 2016. (Photo by David W. Cerny/Reuters)





A participant wearing a historical costume rides his high-wheel bicycle during the annual penny farthing race in Prague, Czech Republic November 5, 2016. (Photo by David W. Cerny/Reuters)





Participants wearing historical costumes ride their high-wheel bicycles during the annual penny farthing race in Prague, Czech Republic November 5, 2016. (Photo by David W. Cerny/Reuters)





A man wearing a historical costume rides his high-wheel bicycle during the annual penny farthing race in Prague, Czech Republic November 5, 2016. (Photo by David W. Cerny/Reuters)





A man wearing a historical costume walks past high-wheel bicycle before the annual penny farthing race in Prague, Czech Republic November 5, 2016. (Photo by David W. Cerny/Reuters)





Participants wearing historical costumes ride their high-wheel bicycles during the annual penny farthing race in Prague, Czech Republic November 5, 2016. (Photo by David W. Cerny/Reuters)





A man wearing a historical costume gets on his high-wheel bicycle before the annual penny farthing race in Prague, Czech Republic November 5, 2016. (Photo by David W. Cerny/Reuters)





A woman and a child wearing historical costumes stand with their high-wheel bicycles before the annual penny farthing race in Prague, Czech Republic November 5, 2016. (Photo by David W. Cerny/Reuters)





Participants wearing historical costumes stand next to their high-wheel bicycles before the annual penny farthing race in Prague, Czech Republic November 5, 2016. (Photo by David W. Cerny/Reuters)





A woman wearing a historical costume and a mask pushes her high-wheel bicycle before the annual penny farthing race in Prague, Czech Republic November 5, 2016. (Photo by David W. Cerny/Reuters)





Participants wearing historical costumes ride their high-wheel bicycles during the annual penny farthing race in Prague, Czech Republic November 5, 2016. (Photo by David W. Cerny/Reuters)





A man wearing a historical costume prepares his high-wheel bicycle before the annual penny farthing race in Prague, Czech Republic November 5, 2016. (Photo by David W. Cerny/Reuters)





Participants wearing historical costumes ride their high-wheel bicycles during the annual penny farthing race in Prague, Czech Republic November 5, 2016. (Photo by David W. Cerny/Reuters)





A man wearing a historical costume pushes his high-wheel bicycle before the annual penny farthing race in Prague, Czech Republic November 5, 2016. (Photo by David W. Cerny/Reuters)