UNESCO has called for greater protection for Ukraine’s cultural heritage sites on the 12th day of its brutal invasion by Russia. “We must safeguard the cultural heritage in Ukraine, as a testimony of the past but also as a catalyst for peace and cohesion for the future, which the international community has a duty to protect and preserve,” Audrey Azoulay, UNESCO’s director general, said in a statement. Since the start of the Russian invasion last week, UNESCO has been in constant contact with Ukrainian institutions to assess the situation and strengthen the protection of cultural heritage site…