Members of a Chinese medical team visit a health center belonged to the United Nations Relief and Works Agency for Palestine Refugees (UNRWA) at the Al-Amari refugee camp in the West Bank city of Ramallah, June 15, 2020. [Photo/Xinhua]

Members of a Chinese medical team visit a health center belonged to the United Nations Relief and Works Agency for Palestine Refugees (UNRWA) at the Al-Amari refugee camp in the West Bank city of Ramallah, June 15, 2020. [Photo/Xinhua]

Members of a Chinese medical team visit a health center belonged to the United Nations Relief and Works Agency for Palestine Refugees (UNRWA) at the Al-Amari refugee camp in the West Bank city of Ramallah, June 15, 2020. [Photo/Xinhua]

Members of a Chinese medical team visit a health center belonged to the United Nations Relief and Works Agency for Palestine Refugees (UNRWA) at the Al-Amari refugee camp in the West Bank city of Ramallah, June 15, 2020. [Photo/Xinhua]

Members of a Chinese medical team visit a health center belonged to the United Nations Relief and Works Agency for Palestine Refugees (UNRWA) at the Al-Amari refugee camp in the West Bank city of Ramallah, June 15, 2020. [Photo/Xinhua]