This scene represents a typical Devon (a county in the UK) country lane and is modelled  in "O" scale  7mm-ft.

A Weeping Willow (approx.14inches high) made for a customer in the USA

Two shots of detail of a customers tree.

This piece was built for a customer as a connecting board between two layouts and disguises the track work which runs under the scenery.

Detail can be endless and it depends on where the model is to be placed as to how much is added.