The Great Berlin Wheel is a giant Ferris wheel

Ferris wheel

A Ferris wheel is a nonbuilding structure consisting of a rotating upright wheel with passenger cars attached to the rim in such a way that as the wheel turns, the cars are kept upright, usually by gravity.Some of the largest and most modern Ferris wheels have cars mounted on...

 to be built near the Berlin Zoological Garden (Zoologischer Garten Berlin) in Berlin

Berlin

Berlin is the capital city of Germany and is one of the 16 states of Germany. With a population of 3.45 million people, Berlin is Germany's largest city. It is the second most populous city proper and the seventh most populous urban area in the European Union...

, Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

, by the Great Wheel Corporation

Great Wheel Corporation

Great Wheel Corporation is a company engaged in the development, building, financing, and operation of observation platforms and observation wheels ....

.

It was originally planned to be 185 m (607 ft) tall, with 36 passenger capsules, but this was subsequently revised to 175 m (574.1 ft) tall, with 28 passenger capsules, each able to accommodate 40 persons.

The groundbreaking ceremony was on 3 December 2007 and completion was originally planned for 2008, but the project has since stalled after encountering financial obstacles.

If completed, it would be taller than the 165 m (541.3 ft) Singapore Flyer

Singapore Flyer

The Singapore Flyer is a giant Ferris wheel located in Singapore, constructed in 2005–2008. Described by its operators as an observation wheel, it reaches 42 stories high, with a total height of , making it the tallest Ferris wheel in the world, taller than the Star of Nanchang and taller than...

 (world's tallest Ferris wheel since 2008) and the 135 m (442.9 ft) London Eye

London Eye

The London Eye is a tall giant Ferris wheel situated on the banks of the River Thames, in London, England.It is the tallest Ferris wheel in Europe, and the most popular paid tourist attraction in the United Kingdom, visited by over 3.5 million people annually...

(Europe's tallest Ferris wheel).