最佳答案：A Ferris wheel,which is also known as an observation wheel or big wheel,is a nonbuilding structure c
A Ferris wheel,which is also known as an observation wheel or big wheel,is a nonbuilding structure consisting of an upright wheel with passenger gondolas suspended from the rim.They are usually found at urban parks and public places.Normally,they can hold 50-100 people.The very first ferris whell was designed and built in Chicago,Illinois in 1893.Currently the world's tallest Ferris wheel is the Singapore Flyer,in Singapore.It is 165 metres (541 ft) high.
