On March 18-22, the parish of Our Lady of Częstochowa in Krakow’s Nowa Huta will hold a retreat for children from three elementary schools (Nos. 88, 91, 105) under the theme: “Explorers of the Buried Treasure”. They will be led by Sr. Maria Faustina and Sr. Tobiana from the Krakow community of the Congregation of Our Lady of Mercy, based on the Gospel and the spiritual legacy of St. Faustina.