Sensors and Systems
Breaking News
Arup and Ordnance Survey hit major milestone in development of national heat network zoning model
Rating12345 Supporting the Government’s target for heat networks to...
Wingtra achieves a key accuracy milestone with terrestrial laser scanner data comparison
Rating12345Zurich, Switzerland, 12 June 2025—Swiss survey firm Lerch Weber recently conducted...
Esri’s Jack Dangermond Honored with Award from International Fund for China’s Environment
Rating12345 Esri president Jack Dangermond received the 30 Years...

February 21st, 2012
Ice Totally Seals Danube River in Bulgaria

  • Rating12345

The surface waters of the Danube River froze completely on Saturday near the port of Silistra, the first time in 20 years that Europe’s busiest waterway froze in Bulgaria, said the Danube exploration agency. The Danube was last totally sealed by ice in Bulgaria in the winter of 1984-1985, they said. Read More