Loud music andlight displays could be heard and seen through the roof of the stadium as partof the rehearsals which lasted a little over two hours and ended in a crescendoof fireworks.
Russian President Vladimir Putin has spent more than $50 billion (£30bn) at the Olympic Games, a prestige project set to open with great fanfare on February 7.
Putin is expected to revel at the Games opening in the unlikely feat of turning an ageing sub-tropical resort on the Black Sea into a glittering modern hub for a Winter Games in seven years.
The sky over the Russian city of Sochi lit up with a flurry of fireworks last night as organisers practised the opening ceremony they will present the world at the Winter Olympics.
The Fisht OlympicStadium, which is at the centre of the 2014 Games and will welcome athletesfrom around the world, has a lit up roof which can change colours and drawpatterns.