Bonnano Pisano built Tower of Pisa

It's in Italy.

Jean-Baptiste-Antoine Lsassus(장바티스트앙투안 라쉬) built Notre-Dame.

It's in Paris

Notre Dame is now under construction because of the fire accident.

Gaudi built Sagrada Familia.

After he dead, another architect build the church.

Gaudi design and another architect design is different.