[fauria]

It is not a cathedral, is a basilica: https://sagradafamilia.org/en/history-of-the-temple that will be finished next June 10th, coinciding with the 100th anniversary of Gaudi's death and the visit of pope Leo XIV to Madrid.

[Hamuko]

It will be "finished". Expect to see construction workers in the basilica deep into the 2030s.

[gield]

Only some finishing touches on the inside in 2027 and 2028 are planned.

[rbonvall]

(It's Barcelona)