6 August 2013, the opening of the 49th Congress of the International Federation of athletics associations (IAAF, the IAAF Congress Moscow 2013), which is now undergoing the first world athletics forum. Arlecchino Group çàñòðîèëà site (stage design Nivtec), provided the light of the Clay Paky Alpha Profile 1500, Sharpy Wash 330, Shotlight Wash 1500, A.Leda Wash K-20, Martin Mac 2000 Profile, Stagebar 54S Martin) and sound equipment (Meyer Sound Milo, Mica, 600-HP, MTS-4A, UPA-1P).