Photos: Joe Biden & Mike Pence Exchange Elbow Bumps & Commemorate 9/11 In NYC

Joe Biden elbow bumps with Mike Pence

Joe Biden, Mike Bloomberg and Mike Pence at the memorial

Joe Biden and Governor Andrew Cuomo

Joe Biden elbow bumps with Public Advocate Jumaane Williams

Governor Andrew Cuomo

Mayor Bill de Blasio

Mike Pence receives a lapel pin from firefighters

Former police commissioner Raymond Kelly not wearing a mask at the memorial