Different regions celebrate the festival of San Juan with various customs and rituals, reflecting local traditions and beliefs. In parts of Spain, the festival features beach bonfires, where people gather to jump over flames, symbolizing the arrival of summer and purification. Meanwhile, countries like Puerto Rico celebrate with street parties, music, and traditional foods, showcasing their unique cultural expressions. In many locations, fireworks light up the night sky, creating a festive atmosphere. Overall, San Juan unites local communities in honoring the changing seasons while celebrating cultural heritage.