Behnam Soleimani, a 34-year-old Iranian computer teacher who uses a wheelchair, makes his way down an uneven sidewalk in Tehran on July 17, 2017.
Official figures say there are 94,000 disabled people in Tehran, though advocates say the real figure could be far higher. Few are ever seen on its busy streets, nor on the city's bus and metro system because reaching the stations is nigh-on impossible. / AFP PHOTO / ATTA KENARE
For disabled people such as wheelchair users apps that accurately map out accessibility in cities can be a real game changers. Atta Kenare/AFP

Technology gives disabled more freedom in cities