Beyond cooling, green walls also enhance urban biodiversity. The researchers found that plant-covered facades hosted over 100 ...

In the city's long history, the earliest walls were built in Zhongdu, capital of the Jin Dynasty. At that time more than one million civilians and soldiers toiled for three years to expand the old ...

Looking west over the city walls of Khiva, it's easy to imagine a guardsman watching out for exhausted traders making their way across the dusty Karakum desert towards the ancient city ...

The first thing you'll see as you approach Dubrovnik from the sky or the sea is the city walls. These ancient fortifications were built and rebuilt in the 13th, 14th and 15th centuries as the ...