Port Blair, May 17: Each year, 18th of May is observed as International Museum Day. International Council of Museum allots a theme every year to strength the day with more focussed celebrations. This year it is 'Museums as Cultural Hubs: The Future of Tradition". On this auspicious day Zonal Anthropological Museum will remain open offering free entry to all the visitors. Anthropological Survey of India welcomes all to be a part on this eventful day.