Yandex Russian Helicopters Holding and Yandex.Taxi have signed an agreement to develop an air taxi network in Moscow, which is to start operating in 2020. The agreement was signed at the biannual MAKS 2019 airshow. As reported by TASS, the developers plan to create an entire city-wide air mobility system within the Russian capital, which will include manned and unmanned aerial vehicles, air traffic...