Poster, Art, Graphics, Text, Paper, Book, Publication, Page, busan, world, expo, busan 2030, banner, promotional, promotion, candidate city, candidature, exhibition, selective focus, editorial, korea, rok, south korea, development, technology, advertisements, expo logo, futuristic, attraction, international, tourism, modern, event, innovation, poster, seoul, smart cities, candidate, korean, concept, logo, host, hosting, bie, bts, bid, sustainability, future, technological, digital, busan korea, design, pusan, person, emblem, gathering, national capital, force, ad, campaign, show, terrestrial planet, profession, globe, writing style, decoration, marker, engineering, invention, nonfiction, earth, prose, campaigning, port, altaic, city, horde, diversion, district, entertainment, trademark, improvement, application, capital, presentation, symbol, multitude, economy, publicity, managed economy, non-market economy, urban area, celestial body, peninsula, flag, campaigner, advertisement, seat, politician, center, column, undertaking, work, ural-altaic, leader, planet, technical, socialism, command, advertising, venture, Earth, piece