But In spite of police patrols, after dark parts of the Bois de Boulogne are reckoned to be the most dangerous places in Paris.
Bois de Boulogne is overrun with street gangs after darkness falls.
mnli hypothesis: Bois de Boulogne is overrun with street gangs after darkness falls. premise: But In spite of police patrols, after dark parts of the Bois de Boulogne are reckoned to be the most dangerous places in Paris.