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CTA Davis station [01]
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Purple Line train at Davis station [01]
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CTA Davis station [02]
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Purple Line train at Davis station [02]
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CTA Davis station [03]
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System Sensor L-Series horn/strobe [03]
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System Sensor L-Series horn/strobe [04]
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System Sensor L-Series horn/strobe [01]
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System Sensor L-Series horn/strobe [02]
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Fire alarm strobe at Giant Food in Gaithersburg, Maryland
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Fire alarm strobe at the Mormon Temple [01]
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Fire alarm strobe at the Mormon Temple [02]
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Fire alarm strobe at the Mormon Temple [03]
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Fire alarm strobe at the Mormon Temple [04]
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View of I-395 from WMATA bridge [01]
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View of I-395 from WMATA bridge [02]