The material describes the heat loss from the roofs of Helsinki. Thermal radiation detected on the roofs of buildings is presented in 30 cm pixels. The roofs of Helsinki were photographed using a thermographic camera...

The statistical yearbook of the City of Vantaa has been published since Vantaa became a city 1974. The yearbook is a compilation work that aims to describe Vantaa and its residents as comprehensively as possible with...