Dust removed from 5400 sq. ft. screen

Using a 30-ft-long aluminum pole with a brush attached while working atop a scaffold, Andrew Brown cleans the 5-story-tall Ethyl IMAX Dome Theater at the Science Museum of Virginia on Monday in Richmond, Va. Brown said that it would take eight hours to clean the screen. (AP Photo/Richmond Times-Dispatch, P. Kevin Morley)

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