According to Canon Law (Can. 944 §1,2) "Wherever in the judgment of the diocesan Bishop it can be done, a procession through the streets is to be held, especially on the solemnity of the Body and Blood of Christ, as a public witness of veneration of the Blessed Eucharist."
Some Catholic parishes no longer have outdoor processions on the Solemnity of Corpus Christi. All I ask is "Why." I can think of no better way to draw others to the Church than "Jesus Christ" himself. Watch the following film by "Grassroots Films." I think you will agree....
Year A Twentieth Sunday in Ordinary Time
52 minutes ago