ADDIS ABABA, Feb. 20 (Xinhua) -- Experts and policymakers in Ethiopia have called for redoubling concerted efforts in promoting linguistic diversity and multilingualism during a celebration observing International Mother Language Day.
On Thursday, a special event was held at the United Nations Conference Center in Addis Ababa, Ethiopia's capital, under the theme "Languages Matter: Silver Jubilee Celebration of International Mother Language Day."
