Tunisia is one of 77 countries to have kept UNESCO World Heritage sites fully open into the New Year, the agency reported. Some 167 countries boast 1,121 UNESCO heritage sites throughout the world, but most were closed or restricted last month due to COVID-19 measures. Only 77 countries kept their facilities fully open between December 18, 2020 and January 13, 2021, the period in which UNESCO last monitored their status ...