At around 800,000 years ago, Sangiran had completely to be land. At those times, Sangiran experienced the golden period, evidenced by abundant animal fossils findings in various species in great numbers. The diversity of species, along with pollen fossils from various plants, indicated Sangiran environment at those times was open forest with meadows and filled with rivers. Homo erectus was more progressive. They were more able to make hand axe, in additional to flakes from chalcedony.
Vertebrate animals from some species lived in Sangiran at that golden period. Bovidae and cervidae from some species and in great numbers lived in Sangiran. Other animals such as rhino, hippo, pig, tiger, and other. (Pipit Puji Lestari, Marlia Yulianti Rosyidah, Febri Wijanarko, Iwan SB) Plese click here
 around 800,000 years ago, Sangiran had completely to be land. At those times){kind=link}