These extraordinary pictures give graphic new evidence of climate change.
Modern-day zeppelins costing $30 million each would revolutionise transport links and economic exploitation of Siberia in $240 billion plan.
Rescuers vow to find helicopter that vanished in strong winds on 10 October.
Top executives of VTB Leasing including female deputy director 'all safe' after jumping into sea from stricken aircraft.
The swollen Amur River reached a depth of 910 cm near Komsomolsk-on-Amur on Sunday, with fears it could hit 940cm.
Hopes fade of finding 13 people, six weeks after Tyva Avia aircraft went missing in remote and mountainous region.
Private helicopter brought in to located Tyva Avia aircraft that had 13 people on board in remote Siberia.
Hundreds - including dozens of children - evacuated safely as fires destroy and threaten homes.