The Sangiran Early Man Site is one of the key sites for the study of human evolution. A second occurence of "Java Man" was discovered here: first discovered in 1891 at Trinil by Dutchman Dubois, more skulls were found by an archeological party organized by German G.H.R. von Königswald at Sangiran (near Solo)."Java Man" at the time was one of the first known human ancestors. He is now been reclassified as part of the species Homo erectus.About 60 more fossils have since been found here,