sentences:  The first cathedral constructed in the new style was Sens Cathedral, begun between 1135 and 1140 and consecrated in 1160.It featured a Gothic choir, and six part rib vaults over the nave and collateral aisles, alternating pillars and doubled columns to support the vaults, and flying buttresses.One of the builders believed to have worked on that Cathedral, William of Sens, later traveled to England and became the architect who reconstructed the choir of Canterbury Cathedral in the Gothic style.