Internal graduation tower in the hotel in Koszalin.
Graduation tower with an oval roof in Park Przyjaźni in Kalisz.
Two brine graduation towers with an openwork pergola at the City Bath in Biała Rawska
Salt cave in the "Skal" hotel in Ustronie Morskie
Internal graduation tower in the Catholic kindergarten "St. Francis Center" in Siedlce.
Salt aerosol geyser at the "BoniFaCio SPA & Sport Resort" hotel in Sochocin near Warsaw.
Salt cave in Zielenino near Kościerzyna.
Graduation tower in Mielec with two openwork pergolas.
Two arch graduation towers with pergolas in Wołczyn
External graduation tower in the park in Wieruszów.
Internal graduation tower in Kolbudy.
Hexagonal graduation tower in the Ecological Garden of Dreams at the hospice in Otwock.
Mobile graduation tower at the Pol'and'Rock Festival 2021 at Makowice Airport.
Two simple graduation towers with blackthorn plum in two locations - Warsaw Wesoła
One-sided wavy brine graduation tower in Rzekuń