First you fix sets of four large speakers onto some vans; connect them to some serious amplification powered by generators on the roofs.
Then you get a lot of enthusiastic people and dress them up in the most elaborate costumes. Close the street for about six hours and you have a carnival. The whole parade lasted about two hours and involved about 30 different groups.
To see the rest of the pictures go to MY ALBUM. I apologise for the quality but I had to reduce them down from the original large scale resolution to make the uploading a lot quicker.