Exhibitions Exhibitions > Virtual Exhibitions Man and Nature in Hungary – exhibition of HNHM Extinctions – The crises of the natural world in the geological past “Where have allthe flowers gone” – Discover the diversity of nature! The Beloved Spheres – The treasures of the Carpathian Basin Rear-view Mirror – Exhibitions from the past for the future 300 pearls – Museum treasures of the diversity of nature. Selection from the collections of three Europen natural history museums