this is a testing ground for rocket engines. It's not abandoned, but simply the photos were made at night when nobody is around. They perform engine tests quite regularly there.

the girl is lucky that she didn't get poisoned.

the nasty thing is that it's in the middle of a populated area.

UPD: here's the illustration of an actual engine test http://img-fotki.yandex.ru/get/2/33213654.df/0_71e83_5dfd0bf...