Claim: David Larible participated in the 1st World Festival of Clowns in Yekaterinburg.
Evidence: David Larible (born June 23, 1957 in Verona, Italy) is an Italian clown. David Larible comes from six generations of circus artists, and his family has ties with many other European circus families. 
The World Festival of Clowns in Yekaterinburg is an annual large-scale festival of the world clownery, taking place in Yekaterinburg, Russia, since 2008. The organizers of this festival are People's artist of Russia Anatoly Marchevsky and People's artist of Russia Alexander Kalmykov. The festival is globally important in its cultural and social senses and is dedicated to: The World Festival of Clowns is an annual event that has been taking its place since 2008. The 1st World Festival of Clowns in Yekaterinburg 2008 April, 5-9 David Larible, David Shiner, Monty Clowns, Olivier Takwin and Olivier Deshavu, Sergey Prosvirnin and Sergey Yeroshenkov, Clown ˈBoˈ - Boris Oskotsky, Clowns Mick and Muck, Ruslan Marchevsky, acrobats ˈBrave Firefightersˈ etc.