2.6K views · 373 reactions | Built approximately 2,500 years ago, the Old City of Sanaa, Yemen, is known as one of the world's oldest cities and boasts over 6,000 historical buildings, many of which are still in use today. However, concerns are mounting after a month of heavy rainfall that swept through the country and subsequent flooding led to pars of Sanaa's historic Old City collapsing: | The New Arab | Facebook