The knee is the largest joint in the human body and is considered the most complicated one. It is formed by the lower part of the femur, the tibial plateau and the knee cap.
Calgary's spring weather is unstable. Some April and May days are sunny and warm, indeed hot. Yet April, May and sometimes even June(!) can bring snow. When it snows in late spring / early summer, the snow typically is wet and heavy, unlike winter snow that more often is light and fluffy.
The city had a population of 1,239,220 in 2016, making it Alberta's largest city and Canada's third-largest municipality. Also in 2016, Calgary had a metropolitan population of 1,392,609, making it the fourth-largest census metropolitan area (CMA) in Canada.