People take photos as Spain's King Felipe and Queen Letizia paying respect at a memorial tribute of flowers, messages and candles to the van attack victims in Las Ramblas promenade, Barcelona, Spain, on August 19, 2017, two days after a van ploughed into the crowd, killing 14 persons and injuring over 100. Drivers have plowed on August 17, 2017 into pedestrians in two quick-succession, separate attacks in Barcelona and another popular Spanish seaside city, leaving 14 people dead and injuring more than 100 others. photo by Angel Garcia/ UPI

- Image ID: W04AYB
People take photos as Spain's King Felipe and Queen Letizia paying respect at a memorial tribute of flowers, messages and candles to the van attack victims in Las Ramblas promenade, Barcelona, Spain, on August 19, 2017, two days after a van ploughed into the crowd, killing 14 persons and injuring over 100. Drivers have plowed on August 17, 2017 into pedestrians in two quick-succession, separate attacks in Barcelona and another popular Spanish seaside city, leaving 14 people dead and injuring more than 100 others. photo by Angel Garcia/ UPI
UPI / Alamy Stock Photo
Image ID: W04AYB