People enjoy a free outdoor concert performed by Vancouver Metropolitan Orchestra at Jack Poole Plaza in Vancouver, Canada, July 26, 2018. Thousands showed up at Jack Poole Plaza in downtown Vancouver on Thursday for the free outdoor concert. (Photo: Xinhua)

Musicians play music on stage during a free outdoor concert performed by Vancouver Metropolitan Orchestra at Jack Poole Plaza in Vancouver, Canada, July 26, 2018. Thousands showed up at Jack Poole Plaza in downtown Vancouver on Thursday for the free outdoor concert.  (Photo: Xinhua)

Musicians play music on stage during a free outdoor concert performed by Vancouver Metropolitan Orchestra at Jack Poole Plaza in Vancouver, Canada, July 26, 2018. Thousands showed up at Jack Poole Plaza in downtown Vancouver on Thursday for the free outdoor concert.  (Photo: Xinhua)

Musicians play music on stage during a free outdoor concert performed by Vancouver Metropolitan Orchestra at Jack Poole Plaza in Vancouver, Canada, July 26, 2018. Thousands showed up at Jack Poole Plaza in downtown Vancouver on Thursday for the free outdoor concert.  (Photo: Xinhua)

Musicians play music on stage during a free outdoor concert performed by Vancouver Metropolitan Orchestra at Jack Poole Plaza in Vancouver, Canada, July 26, 2018. Thousands showed up at Jack Poole Plaza in downtown Vancouver on Thursday for the free outdoor concert.  (Photo: Xinhua)

Musicians play music on stage during a free outdoor concert performed by Vancouver Metropolitan Orchestra at Jack Poole Plaza in Vancouver, Canada, July 26, 2018. Thousands showed up at Jack Poole Plaza in downtown Vancouver on Thursday for the free outdoor concert.  (Photo: Xinhua)