The world's biggest shaftless Ferris wheel was put into operation in East China's Shandong province on May 16, 2018. [Photo/Chinanews.com]

JINAN — The world's biggest shaftless Ferris wheel was put into operation in East China's Shandong province on Wednesday, according to the project's investors and local authorities.

The wheel, 125 meters in diameter and 145 meters tall, is located in the city of Weifang. It has 36 compartments, each able to hold a maximum of 10 people. It takes about 30 minutes for the wheel to turn a complete circle.