Group 1 - The seventh China AFOL Festival and LEGO Player Works Exchange Exhibition opened in Shanghai, attracting LEGO enthusiasts from around the world with over 500 exhibits [1] - The theme of this year's festival is "Building the World with Bricks," continuing the popularity of previous events and showcasing a variety of creative highlights [1] - A notable exhibit is the 3-meter-long diorama "Wind Rises in Luoyang City," created by 18 LEGO players from Henan, using nearly 30,000 LEGO pieces to depict the prosperity of Luoyang during the Tang Dynasty [1] Group 2 - The exhibition also featured over 100 antique LEGO collectibles from 1935 to 1978, presenting nearly a century of LEGO's innovative history [1] - The creative work "Yuxin Pavilion" gained significant attention for its impressive design, with the creator drawing inspiration from Chinese architecture encountered during travels [1][2] - A collaborative piece titled "Yuxin Pavilion·Fairy Mountain" combines hand-drawing, photography, and LEGO elements, showcasing the potential for cross-disciplinary creativity [1][2]