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In page Stadium–Chinatown station:

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The station was originally constructed with a passageway under Beatty Street to the west in anticipation of future development. When the Amec Building, built across Beatty Street, did not link to the underground passage, the passage was closed and has been occupied by TransLink's Lost Property Office since 1991.[6] The staircase on the west side of Beatty was filled with sand and topped with a concrete sidewalk so that the passage could be reopened in the future.