2 . A 19th century crossing sweeper 10 Crossing the street in the 19th century could be dirty and dangerous . City streets were dirty because horses were used as a method of transport , and they left a lot of horse manure behind . Crossing sweepers cleared the way for rich people to cross the road without dirtying their clothes .
3 . A 19th century boardman 11 There were people who earned their living in the streets as walking commercials , carrying an advertisement " back and front " all day long .
10 https :// www . europeana . eu / en / item / 9200579 / t5n2ae75
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https :// www . europeana . eu / en / item / 2048213 / europeana _ fashion _ http ___ collections _ vam _ ac _ uk _ item _ O12 8462
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