A young man wears a "Pokemon" cap as people gather to play the augmented reality mobile game "Pokemon Go" at Puerta del Sol square in Madrid, Spain July 28, 2016. REUTERS/Sergio Perez

A young man wears a “Pokemon” cap as people gather to play the augmented reality mobile game “Pokemon Go” at Puerta del Sol square in Madrid, Spain July 28, 2016. REUTERS/Sergio Perez

A young man wears a "Pokemon" cap as people gather to play the augmented reality mobile game "Pokemon Go" at Puerta del Sol square in Madrid, Spain July 28, 2016. REUTERS/Sergio Perez

August 6, 2016 1:41 AM (UTC+8)