69 The bishops in a particular country are members of a national or regional episcopal conference. Note 2 In the Catechetical Lectures (c. . 387 In 2012, the 50th anniversary of Vatican II, an assembly of the Synod of Bishops discussed re-evangelising lapsed Catholics in the developed world. In an event known as the Incarnation, through the power of the Holy Spirit, God became united with human nature through the conception of Christ in the womb of the Blessed Virgin Mary. The skyline of Hong Kong Island is famed for its unique arrangement, 13 with surrounding mountains and Victoria Harbour complementing the rows of skyscrapers along the shore. A b c "Vatican congregation reaffirms truth, oneness of Catholic Church". 268 Sexual abuse cases Main article: Catholic Church sexual abuse cases From the 1990s, the issue of sexual abuse of minors by Catholic clergy and other church members has become the subject of civil litigation, criminal prosecution, media coverage and public debate in countries around. 241 However, a declaration of nullity may be granted when proof is produced that essential conditions for contracting a valid marriage were absent from the beginningin other words, that the marriage was not valid due to some impediment. 119 Final Damnation : Finally, those who persist in living in a state of mortal sin and do not repent before death subject themselves to hell, an everlasting separation from God. Thus in 250 the Roman episcopate of Peter was admitted by those best able to know the truth, not merely at Rome but in the churches of Africa and of Asia Minor.