The Battery Dance Festival is New York City's longest-running public free dance festival and it\u2019s most wide-ranging. Founder and artistic director Jonathan Hollander previews the Festival\u2019s 40th Anniversary, and discusses how emerging companies are reaching new audiences via dance on film. The Battery Dance Festival is virtual August 12-14, and live and live streamed from Robert F. Wagner Park in Battery City August 15-20. For more, visit batterydance.org.