Entering the old city by a harbour tour, one could imagine what it must have been like arriving on a Spanish man o'war (at least once past the modern rather over-powering tower-block skyline). The walled city is very much a colonial time capsule, in a wonderfully sheltered and fortified harbour, of what must have been a very opulent and wealthy city in its day. Magnificent churches and open squares abound, with a signature clock tower and cathedral, the latter visited by the late Pope Jean-Paul at the height of the Columbian drug wars. It now thrives on tourism and more recent street art also adds interest. Avoid Mondays to see the wondrous gold museum or go next door into the rather more commercial emerald "museum". We had an excellent guide to bring the city to life in an all too-short half day excursion, and kept-up with the group even having to bump a wheelchair along the cobbled streets! The cooling breeze on our catamaran was welcome after the heat of the city.and the wheelchair was no problem.
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Norwegian Cruise Line