The visualization shows the monthly data of Dubai Metro with ranges on number of trips for every station.
The blocks are sorted by number of stations in range, for example for month of may the range 10-99 for number of trips has 3 stations, Al Furjan, EXPO, Jabal Ali
Clicking on a range is a zoom like functionality which opens a new visualization for data in that range, which is ordered by number of trips.
Zoom out button is used to reset data if you clicked on a range.