Da Nang International Fireworks Festival in Da Nang
The Da Nang International Fireworks Festival, DIFF, is Vietnam's best-known pyrotechnics competition, held over several weeks each summer on the Han River in Da Nang. International teams compete with choreographed fireworks displays set to music, a format the city has run since 2008 under varying formats and international lineups.
The Da Nang International Fireworks Festival, known by its acronym DIFF, has run in various formats since 2008, growing into one of Vietnam's most internationally recognized recurring cultural events and a defining fixture of Da Nang's summer tourism calendar.