104 Moscow 1991 and officially declared for military, safety, ecological or other legitimate government interests, in accordance with their national laws, consistent with CSCE commitments and international human rights obligations. The participating States undertake to keep such restrictions to a minimum. (34) The participating States will adopt, where appropriate, all feasible measures to protect journalists engaged in dangerous professional missions, particularly in cases of armed conflict, and will co-operate to that effect. These measures will include tracing mission journalists, ascertaining their fate, providing appropriate assistance and facilitating their return to their families. (35) The participating States reaffirm that guaranteeing the freedom of artistic creation and preserving the cultural heritage form part of the human dimension of the CSCE. They consider that independent intellectual and cultural life is crucial for the maintenance of free societies and democratic institutions. They will implement their commitments in the cultural field, as laid down in the Document of the Cracow Symposium on the Cultural Heritage, and express the view that cultural issues, including cultural freedom, creativity and co-operation, should be further considered in the CSCE. (36) The participating States recall their commitment in the Vienna Concluding Document to keep the question of capital punishment under consideration and reaffirm their undertakings in the Document of the Copenhagen Meeting to exchange information on the question of the abolition of the death penalty and to make available to the public information regarding the use of the death penalty. (36.1) They note (i) that the Second Optional Protocol to the International Covenant on Civil and Political Rights aiming at the abolition of the death penalty entered into force on 11 July 1991; (ii) that a number of participating States have recently taken steps towards the abolition of capital punishment; (iii) the activities of several non-governmental organizations concerning the question of the death penalty. (37) The participating States confirm the provisions and commitments of all CSCE documents, in particular the Document of the Copenhagen Meeting of the Conference on the Human Dimension of the CSCE, concerning questions relating to national minorities and the rights of persons belonging to them, and the Report of the Geneva CSCE Meeting of Experts on National Minorities, and call for their full and early implementation. They believe that, in particular, the use of the new and expanded CSCE mechanisms and procedures will contribute to further protection and promotion of the rights of persons belonging to national minorities. (38) The participating States recognize the need to ensure that the rights of migrant workers and their families lawfully residing in the participating States are respected and underline