Costumed riders on horseback parade through Pamplona

The video shows a parade or event featuring people on horseback. The individuals on the horses are dressed in traditional attire, including black jackets, white ruffled collars, and feathered hats. They are riding brown and black horses with ornate saddles. In the background, large red banners with white text that reads "SAN FER" are visible, suggesting the event is related to San Fermín. People in the foreground are watching the procession, some wearing white shirts and red sashes. The environment appears to be outdoors, possibly a street or plaza, with a stage or structure in the background.