Since then, flora has sprung up along the embankments, ballast, bridges and walls, creating meadows, wasteland and wooded areas in which a vast range of animals live: there are 220 species of plants and animals, including bees, butterflies, toads, hedgehogs, French oaks and sycamores, and 21 bird species, including the endangered spotted fly catcher.

BBC: In Paris, a New York-style High Line