Group 1 - The 31st Beijing International Book Fair will feature a Hong Kong Pavilion showcasing over 500 Hong Kong publishing, printing, and cultural products, aiming to highlight Hong Kong's role as a center for cultural exchange [1] - The theme of the Hong Kong Pavilion is "Walking through Hong Kong: Intangible Heritage and Urban Memory," focusing on the integration of intangible cultural heritage with urban memories to promote cultural and tourism development [1] - The Pavilion will include a "Theme Exhibition Area" displaying various intangible cultural heritage items such as bamboo steamers, Cantonese opera headgear, and Hong Kong-style milk tea making techniques, alongside related publications and printed materials [1] Group 2 - The Hong Kong Pavilion will introduce a new "Spotlight on Hong Kong Writers" exhibition area, featuring over 70 Chinese literary works published in Hong Kong, serving as a promotional event for the upcoming "World Chinese Literature Festival" in October [2] - The "World Chinese Literature Festival" aims to establish a global platform for Chinese literary exchange, reinforcing Hong Kong's position as a center for cultural and artistic exchange between China and the world [2] - The Hong Kong Pavilion is organized by the Cultural, Sports and Tourism Bureau of the Hong Kong SAR Government, with the Hong Kong Publishing Association and the Hong Kong Printers Association as co-organizers [2]