The Ljubljana Marshes is very popular among balloonists . On 23 August 2012 , a pilot without a valid pilot certificate caused the 2012 balloon crash which occurred on the Ljubljana Marshes , with several people dead and a number of passengers severely burned and injured . New , stricter protocol for pilots was introduced by the authorities to make balloon trips safe
2012 balloon crash
2012 Ljubljana Marshes hot air balloon crash
Ljubljana Marshes