In the course of the 18th century, a fortress was constructed at Montjuïc overlooking the harbour. On 16 March 1794, While France and Spain were being at war, the French astronomer Pierre François André Méchain was given leave to enter the fortress to produce observations that were to be used https://antoni-gaud-architecture26802.yomoblog.com/39742256/facts-about-sagrada-familia-revealed