In any case, entering an unprotected construction site without permission is extremely dangerous and illegal. There are many safety hazards on construction sites, such as falling objects, immovable structures, exposed electrical wires, etc., which may pose a serious threat to personal safety. My country's laws and regulations clearly stipulate that entering a construction site without permission is an illegal act and may be punished by law. For the safety of you and others, please be sure to comply with relevant laws and regulations and stay away from dangerous areas such as construction sites. If you are interested in adventure activities, it is recommended to choose a legal and safe place and carry out it under the guidance of a professional. Safety always comes first, and don't put yourself in danger due to momentary stimulation.