Geological heritage resources refer to precious, non-renewable, formed and developed and preserved due to internal and external dynamic geological effects during the long geological history of the earth's evolution. Develop and utilize natural heritage that generates economic value to enhance human current and future welfare. According to the above definitions, Which of the following are geological heritage resources:. ['Geological monument established somewhere.', 'Scenic caves in a certain place.', 'Land and Resources Museum specializing in geological specimens.', 'Grand Canal with a long history and beautiful scenery.']