London 2012 gold medallist Roman Vlasov of Russia defeated Denmark's Mark Overgaard Madsen in the 75kg final ©Tony Rotundo/UWW

"Photo_Gallery"

South Korea's Hansu Ryu had to settle for silver at 66kg, losing out to Germany's Frank Staebler in the final ©Martin Gabor/UWW

Armenia's Artur Aleksanyan successfully defended his 98kg crown, overcoming Iran's Ghasem Rezaei in the gold medal match ©Martin Gabor/UWW

Germany's Frank Staebler claimed Germany's first Greco-Roman world title in 21 years, ending the drought with victory in the 66kg final against South Korea's Hansu Ryu ©Martin Gabor/UWW

Number two-ranked Viktor Lőrincz of Hungary failed to make the 66kg podium ©UWW

Serbia's Davor Stefanek celebrates his 66kg bronze medal by performing a move on his coach

United World Wrestling President Nenad Lalović delivered a short speech during the Opening Ceremony ©ITG

The flags of all the competing nations were paraded to mark the start the Opening Ceremony ©ITG

Russia's Roman Vlasov is projected on the big screen at the Orleans Arena as he stands atop the 75kg podium ©ITG

The first day of action was rounded off with the 98kg medal ceremony ©ITG