Park, in ancient times, refers to the gardens of government officials, while in modern times it generally refers to public areas built and operated by the government as natural viewing areas and for the public to rest and play. In tourist attractions, it is usually referred to as "garden". The "Park Design Specification" defines: "A park is a public green space with relatively complete facilities and a good green environment for the public to visit, appreciate, rest, carry out scientific and cultural activities and exercise.