C-200/02, Kunqian Catherine Zhu and Man Lavette Chen v. Secretary of State for the Home Department: Further Cracks in the ‘Great Wall‘ of the European Union? - European Public Law View C-200/02, Kunqian Catherine Zhu and Man Lavette Chen v. Secretary of State for the Home Department: Further Cracks in the ‘Great Wall‘ of the European Union? by - European Public Law C-200/02, Kunqian Catherine Zhu and Man Lavette Chen v. Secretary of State for the Home Department: Further Cracks in the ‘Great Wall‘ of the European Union? 11 4 European Public Law