On June 17, 2004, a children's playground "City of Smiles" was opened in the park area of the plant. In the "City of Smiles" a sports area and playground, a railway for children, as well as a zoo were arranged, which contained a mouflon, a Bactrian camel, a pony, a donkey, a collared peccary, a raccoon, a red-headed duck, a chubataya duck, a mandarin duck, a wood duck, a pechanka, a Muscovy duck, a common pochard, a coypu, a rhea ostrich, a bush wallabi, a macaque monkey, a rhesus monkey, a Romanian pheasant, a trogopan pheasant, chickens, a golden pheasant, a royal pheasant, a common peacock, a guinea fowl, gray nymphs, rose-ringed parakeets, a demoiselle crane, kings, strassers, pigeons, pectoral sandpiper, trumpeters, a porcupine, a Cameroon goat, a llama, a spotted deer, a European fallow deer, a Barbary sheep, a savannah zebra, and an American bison.