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![The walls in the boathouse in Hopssundet are built of red granite from Reksteren.](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/tysnes_25.jpg?itok=_ViluBHW)
![The wheelhouse at Hovdanes, Tysnes](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/kvh_224-3.jpg?itok=hDerF4kE)
![Nils Hertzber’s watercolour from 1829 gives us an impression of the burial site with the menhirs at Årbakkesanden.](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/1/kvh_222-1-1.jpg?itok=iSlCbTy_)
Årbakka- The prehistoric site
The prehistoric site at Årbakkasanden with menhirs and burial mounds has been visited, described and illustrated by many learned researchers through the last 350 years. All the same, we still know very little of this unique cultural monument.
![Tyssedal power station](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/1/kvh_397-1_obs.jpg?itok=jm_PI6LQ)
Tyssedal
Today Tyssedal appears like a classical industrial community, a picture of modern Norway from the turn of the former century until today. A/S Tyssefaldene was established in 1906, and on 1 May 1908 Tyssedal power station was put into operation. The work on the first stage of the facility was completed in a short time, with a work force of 500 men. They built water tunnels, regulation reservoirs, power station, penstocks, harbour, cableways, office buildings, houses and 6 km of power lines in the wild mountains above Odda to provide the new melting plant with power.