Rare video from ground zero on 9/11

Only 29 minutes passed between the two World Trade Center towers falling. Photojournalist Mark LaGanga captured the eerie scene up close Subscribe to the “60 Minutes“ Channel HERE: Watch Full Episodes of “60 Minutes“ HERE: Get more “60 Minutes“ from “60 Minutes: Overtime“ HERE: Relive past episodies and interviews with “60 Rewind“ HERE: Follow “60 Minutes“ on Instagram HERE: Like “60 Minutes“ on Facebook HERE: Follow “60 Minutes“ on Twitter HERE: Follow “60 Minutes“ on Google HERE: Get unlimited ad-free viewing of the latest stories plus access to classic 60 Minutes archives, 60 Overtime, and exclusive extras. Subscribe to 60 Minutes All Access HERE: Get the latest news and best in original reporting from CBS News delivered to your inbox. Subscribe to newsletters HERE: Get your new