The sound could be heard as far away as Logan Circle in D.C.
Crews immediately began clearing the dust from Gateway Park, using big machines to clear the rubble where the hotel stood just minutes before.
The new development that will replace the Rosslyn Holiday Inn was approved by the Arlington County Board last year and will include a residential tower, a new hotel and a conference center.
“This redevelopment of a highly visible site in Rosslyn is an important step toward achieving the community’s vision of a more vibrant and walkable urban village,“ Arlington County Board Chair Christian Dorsey said in a news release last year when the redevelopment was announced.