Nirwana-flat - South Holland, the Hague. The first modern multiapartment house in Netherlands, built in 1926 - 1929. Designed by Jan Duiker and Jan Gerko Wiebenga. Represents a new philosophy in architecture of residential buildings, with phone system, waste collection system, central heating, large windows. The design has proven to be timeless and remains very modern even after 100 years.