mikhail fedotov fitkulin, danila klishchevsky and anasia roif, lead.er news briefly: the metro will update the design of moscow 2020 cars, the emphasis will be on the use of natural materials, specialists have already begun assembling an improved model, it is expected that the modernized trains will appear in the subway as early as next year; before entering the line, they will undergo a thorough test of more than 100 parameters. in mytishchi, a pontoon bridge made of polymer blocks was tested today; in order to check the reliability of the crossing, heavy equipment passed over it; according to experts, the structure is stable. corrosion and strong waves, so that the bridge can be used in emergency zones, as well as in hard-to-reach areas, such as during floods. qr codes with information about the timetables were posted at all new bus stops in the capital. the new product helps you monitor the movement of city transport online. the flight arrival time can be seen even without downloading a special mobile application. you just need to point your smartph