"Natural entrances" can be used as antonyms for the term "forced entrances". Unlike the latter which implies illegal or unauthorized entry, natural entrances refer to openings or pathways that occur naturally, without any obstruction or tampering. Natural entrances can be found in caves, canyons, forests, and other natural landscapes. They provide safe and secure access without causing any damage to the environment, unlike forced entrances which can lead to destruction of property and habitats. Using natural entrances promotes eco-tourism, safer exploration of natural wonders, and preservation of natural resources, making it a highly preferred option for adventurers and nature enthusiasts alike.