What is "observatorielunden"

Observatorielunden is a park in Stockholm's Vasastaden district. It stretches over the steep hill Observatoriekullen, one of the last remnants of Brunkebergsåsen, the esker that once reached across much of Norrmalm but was mostly levelled during the development of that district. Observatorielunden is bordered by the streets Odengatan to the north, Sveavägen to the east, Kungstensgatan to the south, Drottninggatan to the southwest, and Norrtullsgatan, Sandåsgatan and Gyldéngatan to the west. The Old Stockholm Observatory sits on top of the hill, and Stockholm Public Library and the Stockholm School of Economics' main building lie at its edges.

At the Old Stockholm Observatory there's also a meteorological station which has measured temperature daily since 1756. This is the oldest continuous record of temperature in the world. The temperature is still measured daily there.