lilit ghazaryan's team gets back first. lilit ghazaryan: i like the eco-club.i've found out about new plants and made new friends. we're protecting nature. that sets us apart from other teenagers. razmik khachatryan: i want my green home to be even greener. i think about health. if i protect nature, i'm also protecting my own health. >> these mountains aren't just home for the kids at the eco-club, but also for hundreds of species of plants and animals. to raise awareness of that, they're shooting short films that also point out problems -- like "silent scream." at first it shows armenian paradise, with animals and humans in harmony. then there's this. a bear confined to a cage to entertain its owner. unfortunately it's not unusual in armenia. the film has won international awards. the capital yerevan. here we get to know yet another side of ruben khachatryan. the businessman and foundation head is also the director of yerevan zoo. 15 hectares are in the process of being redeveloped. the animals will have more room, and for the first time in more than 70 years,