Reasons for traveling include recreation, holidays, rejuvenation,
tourism or vacationing, research travel, the gathering of information,
visiting people, volunteer travel for charity, migration to begin life
somewhere else, religious pilgrimages and mission trips, business
travel, trade, commuting, obtaining health care, waging or fleeing war,
for the enjoyment of traveling, or other reasons. Travelers may use
human-powered transport such as walking or bicycling; or vehicles, such
as public transport, automobiles, trains, ferries, boats, cruise ships
and airplanes.
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