This was immediately followed by an open-air reactor core fire that released considerable airborne radioactive contamination for about nine days that precipitated onto parts of the USSR and western Europe , before being finally contained Containing on 4 May 1986 .

Simultaneously , PKK forces attacked Attack a gendarmerie open-air facility , officer housings and a gendarmerie station in Şemdinli , Hakkâri and killed Killing two police officers and injured Bodily_harm one police officer and a soldier .

Rainbow Serpent Festival is a 4-day annual open-air electronic music , art , and lifestyle festival that takes place during the Australia Day long weekend , around 26 January , in Lexton , Victoria , 160 kilometers west of Melbourne , Australia .

Michael Eavis hosted the first festival , then called Pilton Festival , after seeing Perception_active an open-air Led Zeppelin concert Social_event at the 1970 Bath Festival of Blues and Progressive Music .

It was originally held Hold near Lake Geneva and had only two stages , but today it is one of the major open-air music festivals in mainland Europe and the biggest in Switzerland .