地大物博

Explanation: Bo: rich. Refers to the vast national territory and abundant resources. 　　Usage: Joint type; as the predicate attribute; described a big country 　　Source: Qing Li Baojia "Bureaucrats": "South because of vast land, a lot of errands, large non-comparable to other provinces." 　　Examples: ~ Our great motherland. Thesaurus:  Haikuo Skies, with much land and few people; small population for a large area; vast and sparsely populated area, (said of a country) very large, Were diluted to mine, amplitude scope of operation, vast land and numerous people