Jerusalem, Israel. Image © Shutterstock
As the trend of migration from rural to urban areas continues, it is estimated that by 2050, one billion people with disabilities will live in cities. Many of these urban centers, with cores dating back hundreds or even thousands of years, are currently ill-equipped to respond to this demand. There is, therefore, an immediate challenge for architects, urban planners, and city officials to address the inaccessibility of historic cities, from uneven cobblestones to narrow, stepped alleys, creating an urban realm that offers universal mobility without detracting from their historic charm.