Officials in Moscow said they are considering the creation of a 722-foot Ferris wheel, which would be the world's largest, as part of a bid to bolster tourism. (UPI Photo/Gary C. Caskey) | License Photo
The $300 million wheel would be part of a $4.5 billion program to bolster tourism in the Russian capital, which currently ranks 19th on the Euromonitor International list of the world's largest tourist centers.