 At its origin but a jumbled bone depository, it was renovated in the early 19th century into uniform rooms and hallways of neatly (and even artistically) arranged skulls and tibias, and opened to the public for paid visits from 1868.The Front de Seine district located along the river Seine in the 15th arrondissement right at the South of the Eiffel Tower is the result of an urban planning project from the 1970s.It includes about 20 towers reaching nearly 100 m of height built all around an elevated esplanade.