Once, on a hot summer evening, I returned home from a walk. To check room, I opened the window. It was not cold, so I did not go away. I sat next to the window and began to read an interesting book. I heard a strange sound. He was outside the window. As if someone slowly to the house. Glancing out the window, I saw no one. I thought that it seems to me. Again I heard this strange, frightening sound. As if just around the corner, next to you who is stealing ... I abruptly closed the window. Veil the large windows. I called a friend. After telling the story they came to me. The street was getting dark. But there is and there was no one. We did not understand what it was for sound ...