Church architecture refers to the architecture of buildings of Christian churches. The EKBO is a church of the Union of Evangelical Churches. There are several different churches and religious buildings in Florence. Seventeen Orthodox Churches and Protestant denominations sent observers. These bishops may be known as hierarchs in the Eastern Catholic Churches. They tended to cluster in communities around their churches. The perceptions of homosexuality in the Evangelical Churches are varied. The positions of the evangelical churches are varied. There are many Protestant churches in Seoul. There are several fine churches and public buildings. Major archbishops are the heads of some of the Eastern Catholic Churches. Some also recognise baptisms performed by Catholic Churches. This contrasts with the discipline in most Eastern Catholic Churches. Mobs burned down all the original Catholic churches of southern Maryland. The destruction of thirty churches and monasteries followed.