The preliminary lighting device of ver tical baffles is complemented by the ver ticality of the silver birch outside, which forms an outer permeable layer.
On top of a bank by the station there were 14 beautiful silver birch trees.
Two of the others, the aspen and silver birch in particular, are extremely fast-growing species.
Hay fever is an allergic reaction to pollen grasses and to trees such as the silver birch.
Particularly rowan trees and silver birch survive very well in those circumstances.
The trees in the wood vary from fir to pine, oak, chestnut, alder, willow and silver birch.
The remaining light is excluded by a silver birch that is protected by a tree preservation order.
The silver birch is my favourite tree.