MINNEAPOLIS—Downtown streets were so crowded in the 1960s that developers conjured up a maze of elevated walkways between buildings, providing winter-proof avenues for office workers who filled the central city Monday through Friday. Stores, fast-food spots, bakeries and barber shops lined the covered, temperature-controlled walkways, which linked new glass skyscrapers sprouting one after the next. Workers racing to cubicles in the morning kept to the right to avoid crashing into each other, recalled convenience store clerk Monica Bray .

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Persons: Monica Bray Organizations: Workers Locations: MINNEAPOLIS