Forum rules Disallowed: religion, race, politics, war and disrespect toward others. Allowed: history, science(!), computers, sports, movies, careers, art, music, relationships and the ten million other topics in our lives.
There are more than a billion bicycles in the world, twice as many as automobiles. In recent years bike production had climbed to over 100 million per year (compared to 50 million cars). Bicycles were introduced in the 19th century and since when have been and are employed for many uses: recreation, work, military, show, sport etc.