How to make tourist posters?

The size of the tourist poster design, the specifications of the tourist poster depend on the way the poster is displayed. Generally, if it is displayed on the network, you can use specifications suitable for the network, such as: circle of friends (1080px 1920px or 1440px×2560px) and web banners (width 1920px, height set according to actual needs). There are three specifications commonly used in real drawings: large (60cmx80cm or 60 cm x 90 cm), medium (30cmx42cm) and small (20cmx30cm).