During the 18th century, a fortress was built at Montjuïc overlooking the harbour. On 16 March 1794, Although France and Spain were at war, the French astronomer Pierre François André Méchain was given go away to enter the fortress for making observations which were for use to evaluate the gap https://flamencoshowsbarcelona85285.mpeblog.com/58218787/facts-about-barcelona-museums-revealed