Group long warning of pollution threats to famous lake is branded by new law.
The ice is visibly cracked but the team led by photographer Vadim Makhorov successfully landed Cessna 172 on Lake Baikal.
Irkutsk officials say supplies to major city could run out but Russian government says more analysis of environmental impact needed.
Can the world's oldest and deepest lake finally realise its potential as a world class venue?
Forest fire may have caused the blasts which led to 400 people being evacuated.
Wildfires rage around Lake Baikal with 5,000-plus emergency workers deployed.
Russian scientists deny theory of respected Italian team by 'proving' that the remote blue lake is older than the famous 1908.