Traditional Culture Encyclopedia - Photography and portraiture - Should the pictures sold on the 5px platform be displayed horizontally or vertically?

Should the pictures sold on the 5px platform be displayed horizontally or vertically?

horizontal screen. The 5px platform is a large-scale international photo website. According to the relevant regulations of this website, the pictures sold during the transaction should be sent to the horizontal screen for uploading, and the pixels should be no less than 5px. Established in 215, the website is the world's top photographer's photo community website and photographer community.