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spec: Reading and printing are more or less inverse operations : printing the object that results from reading a given piece of text often produces the same text , and reading the text that results from printing an object usually produces a similar-looking object . Here are panoramic views of the concourse - - replete with waterways and gondolas , the amazing moving sidewalk , masterful landscaping and horticultural splendors - - and reproductions of ads , flyers , souvenirs , and keepsakes .