An insight into the world of Julio César Cu Cámara, the chief diver for Mexico City's sewerage system, whose job it is to perform repairs and remove rubbish blocking the flow of water.
1989
2004
1981
2013
1969
1965
1983
2001
1975
2007
2009
1966
1996
2014
1988
2008
1963
2002