MOVING BY TRAIN AROUND SPAIN     Can you imagine being able to go from Boston to Washington in just 2h45m or from Toronto to Montreal in just 2h? And always from city center to city center, just a few minutes by taxi from where you are and without the need to board an hour before.   In Spain (and some other European countries) there is an extensive long-speed railway network. They are trains that circulate at speeds of 300 km/h and connect the centers of different cities