Walid's Wrecking Yard is a business where damaged and old cars are crushed and stored to be sold as scrap metal. It is located on 15th Street in Sharjah, just down the street from Emirates Elementary School. Every day at 2:00pm, the children from the school walk by Walid's Wrecking Yard on their way home. The junk yard workers often wave to the children as they pass by. The children like to watch the cars being crushed and stacked on top of each other. On Monday at 1:30pm, the manager of Walid's Wrecking Yard calls all of his workers into his office for a meeting. When the children pass by at 2:00pm, there is no one outside in the yard by the cars. Although there are signs saying "Danger - Keep Out", the children enter the open garage and start to climb on the stacked crushed cars. One of the children falls to the ground and is injured when one of the car stacks collapses. Explain the liability, if any, of Walid's Wrecking Yard in this scenario