IN PHOTOS: Aerial shots of Black Nazarene crowd

MANILA, Philippines — The Philippine Coast Guard released photos from an aerial surveillance of Friday's procession dedicated to the Black Nazarene, whose image attracts hundreds of thousands of barefoot devotees.

About 550,000 people were estimated to have been present at the start of the procession at 6 a.m. in Manila's Quirino Grandstand, the Manila Police District reported.

[Slideshow will load below]

The Coast Guard also conducted maritime patrols around the Manila Bay behind the Grandstand for the crowded feast.