people who have lived in the third and fourth tier cities should not be unfamiliar with tricycles. For some reason, this kind of car always gives the impression of being rampant. In many places, it is forbidden to go on the road.         but now some people want to use tricycles to improve the traffic in big cities.         Kyle Armstrong, a student from the Royal University of technology in Melbourne, has designed an intelligent electric tricycle called "Lindo" to improve traffic conditions in Melbourne. "The number of people and cars in the city is increasing, so is the traffic pressure and pollution rate in the city," he told fastcompany. I hope Lindo can solve these problems in our city. "                             Armstrong believes that the design of Lindo is a great challenge, because the shape of tricycle is not pleasing by nature, so it needs to make Melbourne citizens accept it and be willing to take it.         although this car only exists...