Add Yahoo as a preferred source to see more of our stories on Google. Barcelona's eternally unfinished Sagrada Familia has grown to become the world's tallest church, but a conflict with residents threatens to delay the finish date for the monument designed over 140 years ago.

Barcelona's No. 10 is already one of the best players in the world at just 18 years old. Lamine Yamal has the potential to become a generational player that marks an era in the sport, and the 18-year-old revealed he wants to do so spending his entire career at Barcelona, or as he described it, "the best club in the world.

Add Yahoo as a preferred source to see more of our stories on Google. A train driver has been killed and at least 37 people injured, five seriously, after a commuter train derailed and crashed near Barcelona two days after a deadly two-train collision in southern Spain.