This is a random bonus offered to players even without having o send money to their betting accounts. It could be either a reward for loyalty or a welcome carrot. Either way, the player gets to benefit because they can use it to play various games in the casino and get tangible wins.
If one wants to see the majestic Northern Lights with one's own eyes, they should visit Sweden. The country is famous for its natural variety with beautiful lakes and green mountains. In the city, one can find many casinos, but it's not uncommon to stay home and enjoy one's favorite games with an online mobile casino.