Yemeni displaced men are seen in the southern port city Aden, Yemen, on July 12, 2018. Thousands of Yemeni Internally Displaced Persons (IDP) who survived the ongoing armed confrontations between Yemen's government forces and the Houthi fighters in the Red Sea coastal city of Hodeidah, face various challenges in southern port city Aden. (Xinhua/Murad Abud)