office building under blue sky

office building modern architecture sleek design large windows natural light professional appearance contemporary style urban setting skyscraper cityscape commercial real estate business district corporate headquarters executive offices meeting rooms conference halls cubicles desks chairs computers monitors keyboards mouses headsets telephones fax machines printers scanners shredders filing cabinets bookshelves decorative artwork plants flowers greenery blue sky clouds sunlight shadows reflections glass facade stainless steel accents marble flooring carpeted floors wood paneling stone walls metal railings elevator lobbies stairwells