Original sentence: Clermont-Ferrand also hosts world's first International short film festival which originated in 1979 (see the official link below).This festival has revealed many young talented directors now well-known in France and even internationally such as Mathieu Kassovitz, Cédric Klapisch or Éric Zonka.This festival which brings thousands of people every year (137.000 in 2008) to the city is the second French film Festival after Cannes in term of visitors, but the first one regarding the number of spectators (as in Cannes visitors are not allowed in theatres, reserved to professionals)
Edited sentence: Clermont-Ferrand also hosts world's first international short film festival which originated in 1979 (see the official link below).This festival has revealed many young talented directors now well-known in France and even internationally such as Mathieu Kassovitz, Cédric Klapisch and Éric Zonka.This festival, which brings thousands of people every year (137.000 in 2008) to the city, is the second French film Festival after Cannes in term of visitors, but the first one regarding the number of spectators (in Cannes visitors are not allowed in theatres, only professionals)