Photo taken on Aug. 22, 2019 shows the Biscay Bridge in Biscay province, Basque, Spain. (Xinhua/Guo Qiuda)

Photo taken on Aug. 22, 2019 shows the Biscay Bridge in Biscay province, Basque, Spain. (Xinhua/Guo Qiuda)

Photo taken on Aug. 22, 2019 shows the Biscay Bridge in Biscay province, Basque, Spain. (Xinhua/Guo Qiuda)

The Biscay Bridge transports passengers and vehicles in Biscay province, Basque, Spain, Aug. 22, 2019. (Xinhua/Guo Qiuda)

Photo taken on Aug. 22, 2019 shows the Biscay Bridge in Biscay province, Basque, Spain. (Xinhua/Guo Qiuda)

Passengers walk as vehicles commute on the Biscay Bridge in Biscay province, Basque, Spain, Aug. 22, 2019. (Xinhua/Guo Qiuda)