Describe how the vibrant event scene in Tempe, particularly the Fantasy of Lights Street Parade and the 2nd Sundays on Mill, embodies the city’s cultural identity and community spirit. Highlight the various features of these events, such as the diversity of local vendors, live entertainment, and family-friendly activities. Discuss the impact of these gatherings on the local economy and community engagement. Finally, reflect on the significance of celebrating traditions and creating new memories during these festivities. Use vivid imagery to convey the atmosphere and excitement of these events.