1. Becoming friends.
Four boys and a girl met in school in the third grade on 2 September 2015. Emil, Andrew, Misha, Boka and Eva quickly became friends. All of them liked adventures but school adventures soon became boring for them. Three of them – Andrew, Misha and Boka decided to explore an abandoned building next to their school. There were two storeys and an attic in it. This building was a former kindergarten which had been sealed in 2008. They scouted out the territory around the kindergarten and saw a staircase but they didn’t go inside. Instead they decided to tell Emil and Eva from their group about this kindergarten.