The mourning hall for victims of a fatal tour bus accident in Taoyuan City, Taiwan, July 21, 2016. Twenty-six people, including 23 tourists, a tour guide from the Chinese mainland and two locals -- a driver and a tour guide -- were killed when their tour bus crashed into a highway barrier and caught fire near Taoyuan Airport in Taiwan on Tuesday. A group of four mainland officials arrived in Taiwan to assist families of the victims. (Photo: China News Service/Xu Dongdong)

The mourning hall for victims of a fatal tour bus accident in Taoyuan City, Taiwan, July 21, 2016. Twenty-six people, including 23 tourists, a tour guide from the Chinese mainland and two locals -- a driver and a tour guide -- were killed when their tour bus crashed into a highway barrier and caught fire near Taoyuan Airport in Taiwan on Tuesday. A group of four mainland officials arrived in Taiwan to assist families of the victims. (Photo: China News Service/Xu Dongdong)

The mourning hall for victims of a fatal tour bus accident in Taoyuan City, Taiwan, July 21, 2016. Twenty-six people, including 23 tourists, a tour guide from the Chinese mainland and two locals -- a driver and a tour guide -- were killed when their tour bus crashed into a highway barrier and caught fire near Taoyuan Airport in Taiwan on Tuesday. A group of four mainland officials arrived in Taiwan to assist families of the victims. (Photo: China News Service/Xu Dongdong)

Liu Kezhi, secretary-general of the Association for Tourism Exchange Across the Taiwan Straits, offers condolence at the mourning hall for victims of a fatal tour bus accident in Taoyuan City, Taiwan, July 21, 2016. Twenty-six people, including 23 tourists, a tour guide from the Chinese mainland and two locals -- a driver and a tour guide -- were killed when their tour bus crashed into a highway barrier and caught fire near Taoyuan Airport in Taiwan on Tuesday. A group of four mainland officials arrived in Taiwan to assist families of the victims. (Photo: China News Service/Xu Dongdong)

Liu Kezhi, secretary-general of the Association for Tourism Exchange Across the Taiwan Straits, offers condolence at the mourning hall for victims of a fatal tour bus accident in Taoyuan City, Taiwan, July 21, 2016. Twenty-six people, including 23 tourists, a tour guide from the Chinese mainland and two locals -- a driver and a tour guide -- were killed when their tour bus crashed into a highway barrier and caught fire near Taoyuan Airport in Taiwan on Tuesday. A group of four mainland officials arrived in Taiwan to assist families of the victims. (Photo: China News Service/Xu Dongdong)

Liu Kezhi, secretary-general of the Association for Tourism Exchange Across the Taiwan Straits, arrives at the mourning hall for victims of a fatal tour bus accident in Taoyuan City, Taiwan, July 21, 2016. Twenty-six people, including 23 tourists, a tour guide from the Chinese mainland and two locals -- a driver and a tour guide -- were killed when their tour bus crashed into a highway barrier and caught fire near Taoyuan Airport in Taiwan on Tuesday. A group of four mainland officials arrived in Taiwan to assist families of the victims. (Photo: China News Service/Xu Dongdong)

Family members of victims of a fatal tour bus accident prepare to board a plane to Taiwan at Zhoushuizi International Airport in Dalian, Northeast China’s Liaoning Province, July 21, 2016. Twenty-six people, including 23 tourists, a tour guide from the Chinese mainland and two locals -- a driver and a tour guide -- were killed when their tour bus crashed into a highway barrier and caught fire near Taoyuan Airport in Taiwan on Tuesday. A group of four mainland officials arrived in Taiwan to assist families of the victims. (Photo: China News Service/Yang Yi)

Family members of victims of a fatal tour bus accident prepare to board a plane to Taiwan at Zhoushuizi International Airport in Dalian, Northeast China’s Liaoning Province, July 21, 2016. Twenty-six people, including 23 tourists, a tour guide from the Chinese mainland and two locals -- a driver and a tour guide -- were killed when their tour bus crashed into a highway barrier and caught fire near Taoyuan Airport in Taiwan on Tuesday. A group of four mainland officials arrived in Taiwan to assist families of the victims. (Photo: China News Service/Yang Yi)