_ _ _ _ _ _ _ _ _ _ _ _
contribution
_ _ _ _ _ _ _
hominid
_ _ _ _ _ _
fosssil
_ _ _ _ _
gorge
_ _ _ _ _ _ _
volcano
_ _ _ _ _ _ _ _ _ _
remarkable
_ _ _ _ _ _ _
remains
__ _ _ _ _ _ _ _ _ _
significant
_ _ _ _ _ _ _
society
_ _ _ _ _ _ _ _ _ _ _ _ _
archaeologist
_ _ _ _ _ _ _ _ _ _
separately
_ _ _ _ _ _
pile up
_ _ _ _ _ _ _ _ _ _
human being
_ _ _ _ _ _ _ _
elements
_ _ _ _
bleak
