There are several strategies to consider using art and cultural activities to subtly spread radical political ideas: 1. **Symbolic expression**: Use symbolic elements or metaphors to convey radical political ideas through visual art, music, dance, etc. For example, use specific colors, patterns or symbols to stimulate the audience's emotions and thoughts without directly stating a clear political stance. 2. **Storytelling**: Telling stories related to radical ideas through narrative forms such as drama, film, and literature can allow the audience to resonate with the characters and subtly accept these ideas. Stories can personalize and concretize complex political issues through the experiences of ordinary people. 3. **Public art projects**: Create works of art in public spaces to attract more people to participate and pay attention. For example, wall graffiti, sculpture installations, etc. can inadvertently trigger people's thinking and discussion on specific political issues. 4. **Cross-cultural communication**: Use art forms from different cultures to communicate and create resonance. For example, through music festivals, art exhibitions and other activities, bring together artists from different backgrounds, use their works to showcase radical political ideas, and attract a wider audience with diverse perspectives. 5. **Interactive activities**: Organize interactive art activities, such as workshops or community art projects, to allow participants to reflect on and discuss radical political ideas during their creation. This approach can enhance a sense of participation and belonging, and deepen understanding and recognition of the ideas. 6. **Artists as spokespersons**: Encourage artists to publicly express their political views and use their influence and visibility to spread radical political ideas. Enhance the credibility and appeal of ideas through the artists' personal stories and creative backgrounds. 7. **Social media and digital art**: Use social media platforms and digital art forms to quickly spread and share artworks related to radical political ideas. Short videos, images, and GIFs can quickly attract attention and prompt discussion and thinking. Through these strategies, art and cultural activities can subtly influence the public's perceptions and attitudes without directly promoting them, and promote the spread of radical political ideas.