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Fire alarm at United States Botanic Garden [02]
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Fire alarm at United States Botanic Garden [01]
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Fire alarm at United States Botanic Garden [03]
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Simplex fire alarm speaker/strobe
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Wheelock fire alarm speaker/strobe in Ballston pedestrian bridge
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Speaker at Jubilee USA Network demonstration
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A16 World Bank protest [04]
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October Rebellion [02]
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October Rebellion [29]
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October Rebellion [30]
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Resist the Greenscare march [07]
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Resist the Greenscare march [06]
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Resist the Greenscare march [05]
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Fire alarm speaker/strobe at John Hancock Center
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Anonymous DC August raid [10]
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Anonymous DC August raid [09]
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Anonymous DC August raid [08]
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World Bank/IMF demonstration [01]
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World Bank/IMF demonstration [08]
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World Bank/IMF demonstration [11]
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World Bank/IMF demonstration [04]
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World Bank/IMF demonstration [03]
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World Bank/IMF demonstration [02]
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Graffiti on wall speaker
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Wheelock speaker strobe at Museum of Science and Industry
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Bradley Manning rally [06]
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Bradley Manning rally [07]
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Bradley Manning rally [08]
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Fire alarm at Whole Foods Market in Arlington, Virginia
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Fire alarm speaker/strobe at Navy Pier
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Wheelock ET speaker/strobe at Olney Indoor Swim Center
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Arundel Mills service corridor
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Fire alarm speaker at Maryland House
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Public address speakers and fire alarm strobes at Greensboro station
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Wheelock speaker/strobe at Cathedral of Learning [01]
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Wheelock speaker/strobe at Cathedral of Learning [02]
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Wheelock speaker/strobe at Federal Plaza
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Fire alarm at Wheaton Plaza
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Fire alarm at West Falls Church station [01]
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Fire alarm at West Falls Church station [02]
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Fire alarm speaker/strobe at Hotel 24 South [01]
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Fire alarm speaker/strobe at Hotel 24 South [02]
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Fire alarm speaker/strobe at Hotel 24 South [03]
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Flood warning system in downtown Ellicott City [02]
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Flood warning system in downtown Ellicott City [03]
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Flood warning system in downtown Ellicott City [01]
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Handwritten sign on a speaker
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Siren at 1300 West Broad Street [01]
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"Please do not disconnect. Speaker is part of fire system. Thank you."
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Simplex fire alarm speaker/strobe at D-Hall [01]
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Simplex fire alarm speaker/strobe at D-Hall [02]
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Simplex fire alarm speaker/strobe at D-Hall [03]
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Simplex speaker/strobe in Gabbin Hall [01]
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Simplex speaker/strobe in Gabbin Hall [02]
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Simplex speaker/strobe in Gabbin Hall [03]
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Wheelock speaker and strobe at the National Aquarium
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Wheelock fire alarm speaker at Sears in Frederick, Maryland [01]
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Wheelock fire alarm speaker at Sears in Frederick, Maryland [02]
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Fire alarm at Knoxville Station Transit Center [03]
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Fire alarm at the Sunsphere [02]
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Fire alarm at the Sunsphere [01]
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Fire alarm and speaker at Ashburn station
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Signage for trains towards Largo at Ashburn station [02]
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Fire alarm and speaker at Reston Town Center station
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Signage for trains towards Largo at Ashburn station [01]
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Ceiling-mounted speaker/strobe with "ALERT" lettering
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Curved fire alarm speaker at Westfield World Trade Center
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Active fire alarm at Hotel 24 South
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Fire alarm speaker/strobe at Cathedral of Learning [01]
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Fire alarm speaker/strobe at Cathedral of Learning [02]
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Micro Center in Rockville, Maryland
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Fire alarm speaker at Montgomery College Campus Center [01]
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Fire alarm speaker at Montgomery College Campus Center [02]
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Room 1629 at the DoubleTree by Hilton Windsor Hotel & Suites [08]