High Quality Content by WIKIPEDIA articles Paris M tro Line 3bis is one of the sixteen lines composing the Paris M tro (in Paris, France). It connects the Gambetta and Porte des Lilas stations in the 20th arrondissement of Paris (in the east of the city). With a length of 1.3 kilometres (0.81 mi) and only four stations, the line is the shortest in the network. It is also the least utilized line, having been travelled by a little more than only 1.5...