After the ‘Black Hole’ fiasco, a moated ‘second’ Fort William was constructed in 1758 in octagonal, Vaubanesque form. The whole village of Gobindapur was flattened to give the new fort’s cannons a clear line of fire. Though sad for then-residents, this created the Maidan (moi-dan), a 3km-long park that is today as fundamental to Kolkata as Central Park is to New York City. Fort William itself remains hidden within a walled military zone.