There is something about Australians when it comes to architecture. They certainly have the taste and the means to put up a great house. Designed by Utz-Sanby Architects, the glass house (actually a luxury tree house) has been perfectly nestled on a steep slope in Sidney among green surroundings. With curved steel beams and a linear architecture the modern premise is nothing but a dream home with contemporary furnishings, large open spaces and warm colors that make you relax. For sale at some $1,650,000, it’s definitely one of out favorites for April …