Throughout the 18th century, a fortress was constructed at Montjuïc overlooking the harbour. On 16 March 1794, Although France and Spain were at war, the French astronomer Pierre François André Méchain was provided leave to enter the fortress to create observations that were for use to evaluate the gap from https://gothic-quarter-barcelona74185.ttblogs.com/12818219/the-basic-principles-of-antoni-gaudí-architecture