UIS is formally supporting Karst, Caves and People 2023.
Karst, Caves and People 2023 will be organize on the occasion of 300th anniversary of the first descent to the Macocha Abyss in 1723, the deepest known Abyss in the world in that time and one of the most known karst phenomenas ever! Attached you can find the first circular. Second circular will be published in January 2023, but more info will be regularly announced step by step at https://www.speleo.cz/karst-caves-and-people-2023.