sentences:  Mateus Fernandes later became the primary architect of the next king, Manuel I of Portugal, who made him the supervisor of other architectural works in the rest of the country.However, Mateus Fernandes is best known for his work in "Manueline style" at the entrance portal of the roofless, Unfinished Chapels ("Capelas Imperfeitas") of the Monastery of Batalha.The exceptionally large portal rises to a monumental fifteen m by 7½ m wide (50 x 25 ft), overshadowing the rest of the chapels at the monastery.