Dear guests! Tickets are valid only upon presentation of a QR code and passport, in the pavilions please wear masks and maintain social distance. More information about the current restrictions can be found here. Take care of your health and the health of those around you. Thank you!
In the USSR, the drug "Filixan" – antihelminthic was prepared from the rhizomes of 'male fern'. But later it turned out that the poisons contained in the plant are dangerous not only for parasitic worms, but also for the human central nervous system and the heart.