Mars is the site of Olympus Mons.
A people mover or automated people mover -LRB- APM -RRB- is a type of grade-separated mass transit system .. grade-separated. grade separation. mass transit. mass transit. The term is generally used only to describe systems serving relatively small areas such as airports , downtown districts or theme parks , but is sometimes applied to considerably more complex automated systems .. The term was originally applied to three different systems , developed roughly at the same time .. One was Skybus , an automated mass transit system prototyped by the Westinghouse Electric Corporation beginning in 1964 .. Skybus. Transit Expressway Revenue Line. Westinghouse Electric Corporation. Westinghouse Electric ( 1886 ). mass transit. mass transit. The second , alternately called the People Mover and Minirail , opened in Montreal at Expo 67 .. Minirail. Minirail. Finally the last , called PeopleMover or WEDway PeopleMover , was an attraction that was originally presented by Goodyear Tire and Rubber Company and that opened at Disneyland in 1967 .. PeopleMover. PeopleMover. Goodyear Tire and Rubber Company. Goodyear Tire and Rubber Company. Disneyland. Disneyland Park ( Anaheim ). Now , however , the term `` people mover '' is generic , and may use technologies such as monorail , duorail , automated guideway transit or maglev .. monorail. monorail. duorail. Rail tracks. automated guideway transit. automated guideway transit. maglev. Maglev train. Propulsion may involve conventional on-board electric motors , linear motors or cable traction .. cable traction. Cable car ( railway ). Generally speaking , larger APMs are referred to by other names .. The most generic is `` automated guideway transit '' , which encompasses any automated system regardless of size .. automated guideway transit. automated guideway transit. Some complex APMs deploy fleets of small vehicles over a track network with off-line stations , and supply near non-stop service to passengers .. These taxi-like systems are more usually referred to as personal rapid transit -LRB- PRT -RRB- .. personal rapid transit. personal rapid transit. Larger systems , with vehicles with 20 to 40 passengers , are sometimes referred to as `` group rapid transit '' -LRB- GRT -RRB- , although this term is not particularly common .. group rapid transit. group rapid transit. Other complex APMs have similar characteristics to mass transit systems , and there is no clear cut distinction between a complex APM of this type and an automated mass transit system .. mass transit. mass transit. Another term `` Light Metro '' is also applied to describe the system worldwide .. Light Metro. Light Metro