sentences:  In Berlin, architect-planner Martin Wagner worked with the former Expressionists Bruno Taut and Hugo Häring on colourful developments of flats and terraced houses such as the 1925 Horseshoe Estate, the 1926 'Uncle Tom's Cabin' (Onkel-Toms-Hütte) and the 1929 'Carl-Legien-Siedlung', through the auspices of the Trade Unionist building society GEHAG.Taut's designs featured controversially modern flat roofs, humane access to sun, air and gardens, and generous amenities like gas, electric light, and bathrooms.Critics on the political Right complained that these developments were too opulent for 'simple people'.