la rioja

How to visit the fascinating landscape in La Rioja where a yellow river meets a black one

In the northwest of Argentina, the province of **La Rioja** is home to a site that witnesses a surprising **natural phenomenon**: the coexistence of two rivers, one yellow and the other black water, flowing side by side without mixing. A...

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New Installation of Urban Sound Insulation with Solar System in Austria

A new solar installation has been completed at Landstraßer Gürtel, in the 3rd district of Vienna, combining energy production...