Complex sentence: Julio Dormal (1846-1924) was a Belgium architect who qualified in Paris and arrived in Argentina in 1868, where became one of first exponents of the Beaux-Arts style of architecture.
Split into simpler sentences: Julio Dormal (1846-1924) was a Belgian architect. Studied in Paris and arrived in Argentina in 1868 where he became one of first exponents of the Beaux-Arts style of architecture.