Group 1 - In the first half of the year, Beijing Customs recorded 21 cultural exhibitions, accounting for 61.76% of the total exhibition filings, with a total value of exhibits reaching $396 million [1] - Four exhibitions themed on ancient Greek history and culture showcased 848 artifacts representing Mediterranean civilization across various museums in Beijing [1] - Beijing Customs has established a streamlined regulatory model for cultural exhibitions, particularly those involving cultural relics, to facilitate the smooth entry and exit of exhibits [1] Group 2 - The "Art AID Certification - Blockchain" technology is being utilized for the verification of cultural relics, employing image processing, AI recognition, and machine vision for feature image collection and comparison [3] - Recently, several national treasures that had been lost overseas have returned to China, including the bullet library silk manuscripts which traveled over 11,000 kilometers and took 16 hours to arrive in Beijing [3] - Beijing Customs has intensified efforts against cultural relic smuggling, seizing 38 prohibited items from exiting the country in the first half of the year [3]