Yemeni elderly men talk with each other as they sit on a sidewalk in the old city of Sanaa, capital of Yemen, on Dec. 20, 2016. Yemen's dominant Houthi-led governing body Tuesday welcomed U.S. Secretary of State John Kerry's new peace call aimed to achieve a lasting cessation to 22-month civil war in Yemen, said state Saba news agency. (Xinhua/Mohammed Mohammed)