Last week, more than 125 leaders gathered in Atlanta for the 2015 National Open Streets Summit — and the energy and inspiration was palpable even in the Twittersphere.

Organized by the Open Street Project — a collaboration of the Alliance and The Street Plans Collaborative — the event allowed advocates for healthy, livable streets to share insights and inspiration to grow the movement across North America.

Here are some of our favorite moments from the weekend. Stay tuned for more in coming days!