https://ift.tt/2hCLfCi Two temples Temple de la Sagrada Familia (Barcelona) · Work started 1882 · Main architect Antoni Gaudí · No of towers 12 x 90m-112m high · Workforce Thousands · Completion date Unknown Justo's cathedral · Work started 1961 · Builder Justo Gallego · No of towers 12 x 40 metres high · Workforce One (plus the occasional tourist) · Completion date Unknown