Haapsalu Castle is one of the best preserved castles in Estonia. Built in the 13th century, it was the seat of local authorities until the end of the 17th century. Since then the main castle…
In harmony with nature: Integration into the landscape instead of dominating technology. This was the main idea behind the modernization and expansion of the observatory in the North…
Since 1965, Austria’s first glacier ski area has also been open to skiers in the summer. In subsequent years, the region was increasingly equipped with new cableways and lifts. By now, the…