There are over 6 million people artfully scattered and stacked in tunnels beneath Paris. The problem of overflowing and stinking cemeteries in the late 18th century was answered with the availability of tunnels leftover from limestone mining centuries prior. Between 1786 and 1860, bones from a handful of cemeteries were relocated into these passageways, but more than that – bones were carefully arranged into decorative walls and pillars. The catacombs of Paris aren’t open in their entirety to visitors, but their sheer volume is conveyed by the mile that is. It takes about 45 minutes to wander through the ossuaries. The scale of death expands and compresses. Each bone you see belonged to a person, a life in its expanse – and bones are…