This is the metro. The people go into the metro to go to diferent places. I use it from Monday to friday to go to the school and to go to my house. I sometimes wait 5 minutes. The advantage is that is fast, but the disadvantaje is that so many people use it. I like usin it because it is so fast.
8 Formas de Optimizar tu Sitio para el tráfico de Redes Sociales