What are the common forms of outdoor advertising?

Outdoor advertising is usually called outdoor advertising. Common outdoor advertisements are: roadside billboards, high-pillar billboards (commonly known as anti-aircraft guns), light boxes, neon billboards, LED billboards and so on. Now there are even advanced forms of outdoor advertisements such as balloons and airships. Outdoor advertising production has been developed in recent two or three years. Nowadays, many advertising companies pay more and more attention to the creativity and design effect of outdoor advertising. All walks of life are eager to quickly enhance corporate image and spread business information, and governments at all levels also hope to establish a city image and beautify the city through outdoor LED billboard advertisements. All these provide great market opportunities for outdoor advertising production, and therefore put forward higher requirements. In the modern society with the rapid development of science and technology, outdoor advertising has also quoted many new materials, new technologies and new equipment, which has become an art to beautify the city and one of the symbols of the degree of urban economic development. The setting types of outdoor advertisements can be divided into two categories. Self-made outdoor advertising refers to the names (including logos) of enterprises, institutions, individual industrial and commercial households or other social organizations that use signboards, light boxes, neon characters and other media forms to register their registered addresses in their own units and use their own or leased buildings and structures. Commercial outdoor advertising refers to commercial advertisements published on vehicles on urban roads, highways, railways, ground parts of urban rail transit lines, management areas of rivers and lakes, squares, buildings and structures, with light boxes, neon lights, electronic display devices and exhibition boards as carriers.