You are absolutely right that we should bathe in cold water. We have a holiday in our country "Baptism of the Lord." Water is consecrated in the springs, and there is no such opportunity in the courtyard of the church. Sanctifying the water, the priest lowers the cross into a special baptismal ice hole called "Jordan", the consecrated water is called "the great agiosm," that is, the great shrine. It is believed that the baptismal water has the same miraculous power as the waters of the Jordan, which included Jesus Christ. On the day of Epiphany, after a prayer service, people swim in the ice-hole