Piles
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![](https://files.structurae.net/files/96x64/5228/ryiadh-metro-line-3_1_01dj_rgb_72.jpg)
In 2012, the city of Riyadh in Saudi Arabia had a population of 5.7 million. This figure is expected to increase to 8 million by 2030. Therefore, the ... [more]
![](https://files.structurae.net/files/96x64/5228/glacier_discovery_walk-4-_02vh_web.jpg)
Since May 2014, Jasper National Park in Alberta, Canada, features a spectacular highlight for visitors: the Glacier Skywalk. The skywalk is a visitor ... [more]
![](https://files.structurae.net/files/96x64/5228/u1_wien_oberlaa-1-_01_tj_web.jpg)
Work is advancing on the extension of the southern U1 subway line in Vienna. The new section is 4.6 km long, includes five stations and ends in Oberla... [more]
![](https://files.structurae.net/files/96x64/5228/copenhagen-metro-copyright-cmt-copenhagen-metro-team_1_02vh_rgb_72.jpg)
The large scale project Cityringen in Copenhagen is an extension of the existing subway systems in Denmark's capital. The new subway line will run in ... [more]
![](https://files.structurae.net/files/96x64/5180/gebaeude_aussen.jpg)
On 7 June 2014, the Kaeng Krachan Elephant Park was opened at the Zurich Zoo. In addition to the impressive elephant house, the new park also includes... [more]