Sergels Torg is a large square in the heart of modern Stockholm, created during the modernization of the city center in the mid 20th century. It's a drab area, to be honest, and stands in stark contrast with the charm of the Old Town. I was there just to check out the Kristallvertikalaccent, the 120 feet-tall glass obelisk at the center of the square. It does look nice at night.
Segel Plaza is a commercial center not far from the railway station. It can also be said to be the most important commercial area in Stockholm. There are many shopping malls and the popularity is also very high. When many shops are closed, it is still lit up. brightly lit