The fortress at Montjuïc, one of the most southerly level from which measurements were created when calculating the meridional definition from the metre In the 18th century, a fortress was created at Montjuïc that disregarded the harbour. In 1794, this fortress was used by the French astronomer Pierre François André https://tarotista-gratis95936.blog-ezine.com/28183963/not-known-facts-about-barcelona