Budapest's underwater wonderland draws divers from far and wide
https://phys.org/news/2018-10-budapest-underwater-wonderland-divers-wide.html
The Hungarian capital is already famous worldwide for its steaming hot spas and thermal baths.
But the underwater Janos Molnar cave system, named after the Hungarian pharmacist who discovered it in the 19th century, has become a hot tip for diving aficionados.