The film tells about the science of dendrochronology, which is tree-ring sets dates different climatic cycles, as well as dates the events of the past.
Trees of different species.
Pine in the forest.
Photos spinalis pine trees - redwoods.
Large pine trees in the forest.
Growth rings on the muzzle.
Photo of Professor F.N.Shvedova.
Scientific samples of different types of wood in the closet shelves.
Sections were labeled trees of different ages.
Archaeological finds from the ancient city Mangazeya in the Arctic.
Samples of wood Mangazeya different centuries.
Dendohronolog checks graphics sinusoids.
Layout of the ancient wooden town.
Elbrus, the snowy peaks of the mountains.
Elbrus glaciological station of Moscow State University.
Young scientists skiing.
Avalanche broken trees.
Inclined tree growth.
Scientific cuts escape from the tree.
Dendohronolog screwed into the wood drill.
Extracts from the trunk segments of the annual rings.
Scientist examines segments under the microscope.
Powered Soviet electronic computer (PC).
Trees in a snowy forest.
Mountain peaks covered with snow.
Stream in the thawed.
Deer in the woods.
Locations: Ural  Elbrus Mangazeya