Construction has begun on Varso Tower, a skyscraper designed by Foster + Partners that will be the tallest tower in Poland once complete. International real estate developer HB Reavis is leading the construction of the flagship development, which will comprise three buildings, the tallest of which will top out at 54 stories. Located in Warsaw, Varso will employ energy efficient and environmentally friendly technologies and will be the first project of its scale in Poland to achieve BREEAM Outstanding...