①2 Chinese cities selected to join UNESCO Creative Cities Network ②New scientific experimental samples from China's space station return to Earth ③Winter tourism promotion adds allure to travelling Xizang ④Hong Kong unveils action agenda to develop Northern Metropolis ⑤Chinese scientists develop DNA damage, repair atlas to control tumors ⑥Convenience store offers relief for mountain climbers in Hunan ⑦Ruins of 3,000-year-old building complex found in east China ⑧Chinese, foreign scientists strengthen cooperation in curbing invasive pests