Shimmering 'nightscapes' from the world's greatest cities (24 Pics)

Perched on his vantage point above twinkling cities, photographer Jakob Wagner can spend hours looking for the right spot to capture photos for his stunning 'nightscapes' series. 

But when he has found the perfect view, he sets up his tripod and takes a time-lapse snap of the vast scene stretching out in front of him.