LITTLE KNOWN FACTS ABOUT BARCELONA TRAVEL GUIDE.

During the 18th century, a fortress was crafted at Montjuïc overlooking the harbour. On 16 March 1794, Although France and Spain were being at war, the French astronomer Pierre François André Méchain was presented leave to enter the fortress to help make observations which were to be used to measure the space from Dunkirk to Barcelona, two citi