"An arboretum is a botanical collection composed exclusively of trees of a variety of species. Originally created as a section in a larger garden or park for specimens of mostly non-local species, many modern arboreta are in botanical gardens as living collections of woody plants and is intended at least in part for scientific study".

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Following the mediaeval pilgrimage routes in France and Spain, photographs form part of a series of images that focuses on the positioning of trees in the landscape. Based on the experience of walking in the countryside, trees can act as landmarks to indicate passage or to create barriers or obstacles. The photographs aim to present the viewer with unique viewpoints and particular lines of sight. Subject to changing light and weather conditions, they can offer clear perceptions of the environment or can be disguised in partial obscurity.