Head underground to the Paris catacombs, where former quarry tunnels have been turned into a mass grave piled with bones that’s become one of Paris’ more unusual and eerie tourist attractions.| On the Luce travel blog
Discover the Promenade Plantée in Paris (also known as the Coulée Verte René-Dumont) – the world’s first elevated urban park, which runs along a former derelict railway line across eastern Paris| On the Luce travel blog