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Origin and history

Saint Helena des Istres Church, located in the hamlet of Istres (Les Istres-et-Bury, Grand Est), is a religious building dating mainly from the thirteenth century, although its Romanesque part dates back to the years 1150-1160. It is considered one of the most beautiful Romanesque churches of the Marne, although currently disused and in poor condition. The church once depended on the abbey of Hautvillers, which had the relics of Saint Helena since the 9th century, explaining its term rare in Champagne. Ranked a historical monument since 14 March 1927, it combines a Romanesque nave with three vessels, a polygonal apse, and a choir surmounted by a tower, with Gothic additions such as a transept and a polygonal chapel.

The initial Romanesque construction (ca. 1150-1160) used Faloise stone, a local grey rock, while the 13th century Gothic additions used Savonnières stone. The bell tower, decorated with geminied arcades, is the most elaborate part of the building. Inside, the choir and bell tower capitals have vegetal motifs, except for one decorated with two masks. The nave was covered with a frame, and the span of the choir of a vault on a cross of warheads. In the 18th century, the south and north coasts, as well as the chapel Saint-Claude, were destroyed by the villagers, profoundly changing the appearance of the church.

In 1999, a storm blew the roof of the church, leading to restoration work: replacement by a steel roof, belting of the bell tower to avoid its collapse, and repair of carpentry and glass. Since then, the building has been accessible to the public upon request in the town hall. The fragmentary frescoes discovered in Notre-Dame Chapel, an ancient Baptist chapel in the 17th and 18th centuries, bear witness to its rich past. The church thus illustrates the architectural evolution between the Romanesque and Gothic periods, while reflecting the conservation challenges of rural monuments.

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