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The sudden collapse of a road into a sinkhole in Xining, Qinghai province, on Monday killed nine people, authorities said.

The system, called “Amazon One,” comes with numerous safeguards designed to protect user data. Even so, Amazon’s use of biometrics in stores and other commercial settings promises to attract scrutiny at a time of heightened awareness of digital security and privacy, testing the limits of customer trust in the company.

The targeted advertisements were displayed from Sept 15 to 25.

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The strong earthquake was also felt in Ecuador, Colombia, Brazil and Bolivia.

The teachers started visiting 70 primary and secondary schools in nine districts in Shanghai on Monday, and the visits will continue until Nov 22, as they engage in activities including seminars on teaching math, class observations and workshops.

The summit was attended by US National Security Adviser John Bolton, Secretary of the Russian National Security Council, Nikolai Patrushev, and Israel's National Security Adviser Meir Ben-Shabbat.

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The summit is hosted by China Sports Venue Association and MJR Group Ltd. It aims to promote exchanges among international venues and discuss the latest trends in venue operation and development.

The subsidiary has decided to double the packaging layers for coronavirus medical waste and has specially designed recycling boxes. The company also disinfects storage boxes and vehicles before their transportation.

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The team believes the new vaccine system could potentially be tailored to work against other types of cancer. While vaccines already exist for some cancers caused by pathogens－such as cervical cancer, which can be caused by human papilloma virus, or HPV－the development of vaccinations against non-viral cancers has proven more challenging, according to Wang.

The team leader Li Gang said that it was the first time that drones were used to take photos of the whole Qinzhidao. There were some photos taken from planes and satellites, but they were not clear enough.