freux                                                                                                                                                                                                                                                                                                                                                       
           en vol                                                                                                                                                                                                                                                                                                                                                       
           concentrique  
                                                                                                                                                                                                                                                                                                                                                             
           becs                                                                                                                                                                                                                                                                                                                                                          
           cernant                                                                                                                                                                                                                                                                                                                                                      
           la charogne