The visualization shows the callings being made in the area of the Zócalo by means of circles which enlarge their
diameter according to the duration of the communication.
Data telecommunication traffic were processed by Telefonica company using the cell towers at the Zócalo area.
The information were transmited by a network connected to visualization computer at Centro Cultural de España at the Zócalo.
The colors and labels indicate the directions and regions connected through the call.
