In the 1970's, an English mailman still delivers his parcels on a bicycle.
...The prime motive for using bicycles in every country except the United States, is always economics, because the bicycle is the only inexpensive way to transport people from home to work or school. Most bicycle owners in time learn to do their own running repairs, and it is not a drain on their earnings...
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THE BICYCLE that curious invention
Sybil and Stephen Leek