Highest density of white marble-clad buildings

According to Official Guinness Records,

In an impressive architectural re-styling effort led by the government of Turkmenistan, an area measuring 22 km² (8.49 mi²) in the capital Ashgabat boasts 543 new buildings clad with 4,513,584 m² (48,583,619 ft²) of white marble. If the marble was laid out flat, there would be one square metre of marble for every 4.87 m² of land.
The main avenue, Bitarap Türkmenistan Sayolu, is 12.6 km (7.83 miles) long and lined with 170 buildings clad with a total of 1,156,818 m² (12,451,835 ft²) of white marble.

For a complete list of 2013 records, please visit 2013 Guinness Records in Turkmenistan.

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• Largest Ferris Wheel indoors
• Most fountain pools in a public place