https://www.vedomosti.ru/technology/news/2013/06/11/vlasti_moskvy_na_sozdanie_wifi_v_metro_nuzhno_v_16_mlrd_rub?utm_source=telegram&utm_campaign=vlasti_moskvy_na_sozdanie_wifi_v_metro_nuzhno_v_16_mlrd_rub&utm_medium=share