Of the 5 major groups of vertebrates, fish are the lowest and appeared on Earth the earliest. We are all familiar with extant fishes, but we are more rusty on the early fishes in geological history and how they evolved into extant fishes. Let’s follow the river of time and move forward. The earliest known fish fossils, found in the late Cambrian strata about 500 million years ago, are just scattered scales that fail to give us an outline of the fish’s physiognomy. It was only in the late Silurian and Devonian, 400 to 350 million years ago, that a large number of fish fossils were discovered. Some of these fish fossils are very different from each other in terms of structural features, suggesting that multiple types of fish existed at that time. It is likely that they had already gone their separate ways before the fossil record was available, and had travelled a considerable distance in their own evolutionary pathways. The development of cities has brought about various advances in people’s standard of living and a high level of pursuit of energetic life, and park sculptures as public art sculptures have received a lot of attention. In recent years the development of the city is very rapid, high-rise buildings layer upon layer, countless parks, see the endless scenery. And this in the city nearly popular garden sculpture attracts many people, no other, fresh just. Sculpture placed around, there are corresponding scenic architectural elements, historical and cultural customs elements, crowd traffic elements, but also invisible sound, light and other elements, which all constitute the environmental elements. The serious pace of life in modern cities makes people separated and independent, causing a negative impact on the visual mind. Therefore, in the transformation of urban scenery, great importance is attached to the humanization and intimacy of the environment. Amusement sculpture can regulate people’s mind; garden sculpture also mostly adopts the standard of close to human ground, in the space and people on the same level, can appreciate, can contact, game, enhance the sense of human participation.
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