Example image of eyePlorer eyePlorer map for 'Escalator': Conveyor transport Electric motor Elevator Pedestrian Airport Convention center Department store Hotel List of metro systems Shopping mall United States Alternating current Moving walkway Aluminium Steel Airport security Escalator spinning 1982 February 17 Moscow Metro King's Cross St. Pancras tube station 1999 December 13 2002 Columbia, Maryland J. C. Penney June 15 Island platform New Year's Eve Taipei City Hall Station 2005 Boston El Salvador February 21 Massachusetts Bay Transportation Authority Porter Square King's Cross fire London Underground Detritus Wick Greenford station Attractive nuisance doctrine Americans with Disabilities Act of 1990 Rehabilitation Act of 1973 United States Congress United States Department of Transportation Foster-Miller American Society of Mechanical Engineers Europe Nathan Ames