Land consolidation refers to the behavior of improving the quality of arable land, increasing the effective cultivation of land, and improving the ecological conditions of agriculture and the ecological environment by adopting various measures to comprehensively improve the land, water, roads, forests, and villages. Which of the following are not classified as land consolidation:. ['Harden and green the sidewalks of villages and towns.', 'Level the land, improve the soil, and build a forest network.', 'Adjust the structure of agricultural land and merge scattered land.', 'The merger of rural settlements, township industrial fields.']