Looks like there is something strange going on in this playground. A swing goes on rocking without being touched. The parents in the locality have decided that the playground must be haunted.
Police in north-eastern town of Firmat, Argentina, were worried enough to call in physics professors - but they too were unable to explain the mystery motions. It is told that the swing kept on moving continuously for 10 days and stopped moving after that.
When you play the video below at first you will just think it is due to the brisk wind but later it starts swinging more and more without any apparent reason. This is weird... see for yourselves.
Here is another video in which a girl stopped the swing to see what will happen and the swing didn't stop rocking.