Fresh water supply crisis looms in parts of Siberia as critics accuse hydroelectric firm of 'excessive drainage' from lake.
Finds dating back 50,000 years could be missing link in understanding man's origins.
The language is included in a new digital talking dictionary aimed at preserving some of the world's most endangered languages.
US, Dutch, Swiss, Swedish, South Korean, German and Russian tourists banned from leaving the area.
Another grave in ancient burial shows ‘expensive jewellery’ brought home to lived ones from Europe.
Environmentalists call for World Bank to halt funding for projects that could alter flow of rivers leading into lake with water nearing critical low.