Five gigantic sinkholes have recently been discovered on a remote plateau on the other side of the world. A team of experts has made the trip to descend into the depths. Among them is professor Georges Lebrun, who has come with his wife.
2013
2018
2002
1997
1984
1948
2020
2001
2014
2011
2015
2003
2019
1983
1991
1964
2007
2022
1970
