The Fifth Avenue (NYC) Apple store opened at 6 p.m. sharp on May 19, 2006, and Steve Jobs greeted those first through the door. Here are some photos of the glass staircase and the glass cube from below.
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There is a short bridge
before the stairway
the cylindrical glass
elevator
the stairway winds around
the elevator
the view up to the GM
Building
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detail of the stairs view showing the side
support panels
  view up to the Apple logo
suspended in the glass cube
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visitors enter the store
through the cube and
down the glass stairs
one section of the huge
store
  view showing the long side
display counters, the
backlit graphics and
the adjacent product
display tables
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