Stockholm’s center is full of beautiful old buildings and is home to several residences of the king. When walking past this structure in particular, one could easily assume that this is one of the homes or an old defensive fort. In actuality, it’s a large water reserve that keeps pressure on the pipes of people who live in the area. The Vanadislunden water reservoir was built between 1913 and 1918 after the designs of Gustar Améen. The building was constructed atop an old reservoir in the 1870s and made to resemble…