暑期出境旅游需注意：这些“纪念品”千万别带回国！

Group 1 - The article emphasizes the importance of being cautious when purchasing souvenirs during overseas travel, as some items may pose a threat to national security [1] - Live plants and animals, particularly exotic species, can carry harmful organisms and pathogens that may lead to agricultural and ecological risks upon re-entry [4] - Travelers are advised to thoroughly check their belongings for prohibited items before returning to the country, especially after visiting nature reserves with diverse flora and fauna [4] Group 2 - There is a warning regarding seemingly innocuous gifts, such as keychains and jewelry, which may be modified to include surveillance capabilities by foreign intelligence agencies [7] - Travelers, especially those in sensitive positions, should remain vigilant against overly enthusiastic offers of gifts from suspicious individuals [7] - The article encourages reporting any encounters that may threaten national security through designated channels after returning to the country [9]