Garden Hut Escape

Your uncle, a very interesting man, because he is constantly traveling around the world. He often, coming home, spends the night in strange places. Today, he decided to spend the night in a beautiful garden house, which is used for storing various garden tools. Tomorrow he leaves again in the long journey. In the morning you find that the door to the house locked and uncle can not get out. Find a way to open the door of the house.