The National Transportation Safety Board (NTSB) recently released video of officials combing through the debris and destruction left after the fatal Jan. 31 plane crash in Philadelphia, which killed at least seven people and injured 22 others.The footage, which was shot on Sunday, showed the haunting aftermath of the Learjet 55 crash. The eerily-empty streets were strewn with debris, yellow tape and abandoned vehicles, as well as construction barriers guarding the scene of the crash.One official stood in a crater-sized hole to inspect the rubble. Drone footage also shows the abandoned cars with broken windows covered in ash several yards