1. Difficulties in land expropriation: In some areas, land expropriation is challenging, especially when the land is occupied by other uses or there are legal disputes.
2. Planning restrictions: The local government may have made plans to restrict or prohibit certain types of development, nature reserves, military bases or other sensitive areas.
3. Environmental problems: Construction projects will have negative impacts on the environment, destroy natural landscapes, affect wildlife habitats or cause environmental pollution, so it is necessary to conduct environmental impact assessment and take measures to mitigate these impacts. Emergency management training is a training activity aimed at improving the ability of individuals and organizations to deal with emergencies. It covers all kinds of disasters, accidents and emergencies such as natural disasters, fires, explosions, terrorist attacks and public health emergencies.