Today’s Calendar May 21

Zumba Jumpstart

Join a fitness dance party with upbeat Latin music of salsa, merengue, hip-hop, and more! Enthusiastic instruction creates a fun community of dancers who learn new steps each week. Bring your friends and share in this fit and fun dancing community. 6 River Terrace. FREE

Blitz Chess

A lunch time program for passersby on their lunch break to play chess. Actually, not just chess…Blitz chess! Blitz chess is a form of speed chess played on a clock where each opponent gets five minutes. It is fast, furious and fun. Rockefeller Park House. FREE

Community Board 1 Waterfront, Parks & Cultural Committee

1) 9/11 Memorial Glade – Update by Anthony Gardner, Senior Vice President, Government and Community Affairs, 9/11 Memorial Museum
2) City Hall Park Temporary public art – Presentation by Elizabeth Masella, Public Art  Coordinator, NYC Department of Parks & Recreation

3)  Barnett Newman Triangle – Resolution

“The Heart of the City Creating Vibrant Downtowns for a New Century”

Downtowns are more than economic engines: they are repositories of knowledge and culture and generators of new ideas, technology, and ventures. If we are to have healthy downtowns, noted urban planner Alexander Garvin argues, we need to understand how and why some American downtowns never stopped thriving, some are in decline, while still others, including Lower Manhattan, are resurging. In The Heart of the City, Garvin proffers how to plan for a mix of housing, businesses, and attractions; improve mobility; manage services; and enhance the public realm to ensure urban vitality. 39 Battery Place. FREE

Stretch dough and top your own creation to enjoy at the end of class with a glass of wine. Learn the history of Pizza alla Pala. Take home pizza dough to prepare at home. World Trade Center. $65