The rock carvings in Slagsta are the largest in Stockholm County. Rock carvings from the Bronze Age consists of 17 ships, three animal figures, a sole, 2-3 indeterminate figures, around 170 cup marks and a human figure. The human figure is characteristically designed legs with strong calves. During the same is a shallow carved ship depicted. The total machined surface is 4.8 x 3.3 meters.
Slagsta inscription discovered September 13, 1971 by chance when it landed in the middle of the road construction for Botkyrka Trail. The appliance was then completely overgrown and unknown. Next to the road construction was going on archaeological investigations and one of the archaeologist, Rudolf Hansson, was curious on the hob. When he lifted out a piece of moss was a ship picture emerges. Road authorities changed at the last minute stretch of road and hob was left. The hob is dated to 1800-500 years f.kr, but probably it performed during the late Bronze Age. What this place meant to the Bronze Age people are not fully understood. Likely would place a ritual-magical meaning where people were directed against a higher power.
Petroglyphs located along Hallunda cultural trail, opposite Slagsta motel. By car you drive Botkyrka trail until Slagsta Road.
References:Goryōkaku (五稜郭) (literally, 'five-point fort') is a star fort in the Japanese city of Hakodate on the island of Hokkaido. The fortress was completed in 1866. It was the main fortress of the short-lived Republic of Ezo.
Goryōkaku was designed in 1855 by Takeda Ayasaburō and Jules Brunet. Their plans was based on the work of the French architect Vauban. The fortress was completed in 1866, two years before the collapse of the Tokugawa Shogunate. It is shaped like a five-pointed star. This allowed for greater numbers of gun emplacements on its walls than a traditional Japanese fortress, and reduced the number of blind spots where a cannon could not fire.
The fort was built by the Tokugawa shogunate to protect the Tsugaru Strait against a possible invasion by the Meiji government.
Goryōkaku is famous as the site of the last battle of the Boshin War.