14 Aug 1983: Sergey Bubka of the Ukraine in action during the Pole Vault event at the 1983 World Championships in Helsinki, Finland. Bubka won the gold medal with a leap of 5.70 metres. \ Mandatory Credit: Tony Duffy/Allsport
14 Aug 1983: Sergey Bubka of the Ukraine in action during the Pole Vault event at the 1983 World Championships in Helsinki, Finland. Bubka won the gold medal with a leap of 5.70 metres. \ Mandatory Credit: Tony Duffy/Allsport