Animals are traditionally divided by body plan into vertebrates and invertebrates. Vertebrates --fishes, amphibians, reptiles, birds, and mammals-- have a vertebral column (spine); invertebrates do not. All vertebrates and most invertebrates are bilaterally symmetrical (Bilateria). Invertebrates include arthropods, molluscs, roundworms, ringed worms, flatworms, and other phyla in Ecdysozoa and Spiralia.[from wikipedia]

A beach is a landform alongside a body of water which consists of loose particles. The particles composing a beach are typically made from rock, such as sand, gravel, shingle, pebbles, or cobblestones. The particles can also be biological in origin, such as mollusc shells or coralline algae.[from wikipedia]

A bicycle, also called a cycle or bike, is a human-powered, pedal-driven, single-track vehicle, having two wheels attached to a frame, one behind the other. A bicycle rider is called a cyclist, or bicyclist.[from wikipedia]

A boat is a watercraft of a large range of sizes designed to float, plane, work or travel on water. Small boats are typically found on inland waterways (e.g. rivers and lakes) or in protected coastal areas. However, boats such as the whaleboat were designed for operation as a ship in an offshore environment. In modern naval terms, a boat is a vessel small enough to be carried aboard another vessel (a ship).[from wikipedia]

The word derives from the old Norse "gata", meaning road or path, and originally referred to the gap in the wall or fence, rather than the barrier which closed it. The moving part or parts of a gateway may be called "doors", but used for the whole point of entry door usually refers to the entry to a building, or an internal opening between different rooms.[from wikipedia]

Controversies that surround graffiti continue to create disagreement amongst city officials, law enforcement, and writers who wish to display and appreciate work in public locations. There are many different types and styles of graffiti; it is a rapidly developing art form whose value is highly contested and reviled by many authorities while also subject to protection, sometimes within the same jurisdiction.[from wikipedia]

A people is a plurality of persons considered as a whole, as is the case with an ethnic group or nation. Collectively, for example, the contemporary Frisians and Danes are two related Germanic peoples, while various Middle Eastern ethnic groups are often linguistically categorized as Semitic peoples.[from wikipedia]

The main purpose of signs is to communicate, to convey information designed to assist the receiver with decision-making based on the information provided. Alternatively, promotional signage may be designed to persuade receivers of the merits of a given product or service. Signage is distinct from labeling, which conveys information about a particular product or service.[from wikipedia]

A town is a medium-sized human settlement. Towns are generally larger than villages but smaller than cities, though the criteria which constitute them vary considerably in different parts of the world.[from wikipedia]

Water is a transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms.[from wikipedia]

A tree typically has many secondary branches supported clear of the ground by the trunk. This trunk typically contains woody tissue for strength, and vascular tissue to carry materials from one part of the tree to another. For most trees it is surrounded by a layer of bark which serves as a protective barrier. Below the ground, the roots branch and spread out widely; they serve to anchor the tree and extract moisture and nutrients from the soil. Above ground, the branches divide into smaller branches and shoots. The shoots typically bear leaves, which capture light energy and convert it into sugars by photosynthesis, providing the food for the tree's growth and development.[from wikipedia]