Indoor LED lighting of badminton courts in Chongqing China
Newcastle University Badminton
Badminton - 2018 Asian Games - Women's Doubles Final - GBK - Istora - Jakarta, Indonesia - August 27, 2018 - Ayaka Takahashi and Misaki Matsumoto of Japan in action. REUTERS/Cathal Mcnaughton Stock Photo - Alamy