Step 1 : Introduction to the question " Paris's romantic and beautiful Parc de Buttes Chaumont opened in 1867. Before it was a park, it was the location of what sinister object or site that is now thought to be the cause of current hauntings? "
...1. Gallows where people were hanged in groups and left to disintegrate before being buried below. 2. A carousel that mysteriously caught fire, causing 10 deaths. 3. A pond in which suspected witches were drowned. 4. A graveyard in which Reign of Terror victims were buried alive.
