Early experiments with electric light in caves were carried out by Lieutenant Edward Cracknel in 1880 at Chifley Cave, Jenolan Caves, Australia. In 1881 Sloupsko-Šošůvské Jeskyně, Czech Republic, became the first cave in the world with electric arc light. This light did not use light bulbs, but electric arc lamps with carbon electrodes, which burned down and had to be replaced after some time.