Laborers work at a construction site for a new commercial building near the Imperial Palace in Tokyo, Japan June 8, 2016. REUTERS/Toru Hanai

Laborers work at a construction site for a new commercial building near the Imperial Palace in Tokyo, Japan June 8, 2016. REUTERS/Toru Hanai

Laborers work at a construction site for a new commercial building near the Imperial Palace in Tokyo, Japan June 8, 2016. REUTERS/Toru Hanai

August 15, 2016 12:30 AM (UTC+8)