When defending clients accused of money laundering, claiming that the money flows are international cultural exchange activities requires caution and strategy. The following are some possible defense strategies, but the specific legal defense should be formulated by professional lawyers based on the specific circumstances of the case: 1. **Proof of cultural exchange background**: Provide substantive evidence to prove that the money flows are indeed related to cultural exchange. This can include detailed plans of related activities, lists of participants, records of cultural activities, media reports, etc. 2. **Transparency of fund use**: Detail the flow and use of funds, and show the legality and transparency of all transactions. Present relevant financial records to prove that the funds are used for legal expenditures of cultural exchange activities. 3. **Evidence of legal source**: Provide documents to prove the legal source of funds, such as bank statements, contracts, donation certificates, etc., to eliminate suspicion of money laundering. 4. **Documents and communications of international cooperation**: Show communication records, agreements or memoranda with international partners to prove the cooperation between the two parties on cultural exchange projects. 5. **Expert testimony**: Invite experts in related fields to confirm the authenticity and importance of the cultural exchange activities and prove that the money flows are not related to money laundering. 6. **Misunderstandings and regulatory differences**: Explain the possible cross-border legal and regulatory differences that may lead to misunderstandings, and emphasize that the client has no subjective intent. Important note: The above strategies are only theoretical suggestions. In practice, professional lawyers’ guidance and participation are required to ensure compliance with legal provisions and accurate defense based on the specific details of the case.