<span style="background-color: rgba(255, 255, 255, 0);">Chinese President Xi Jinping has arrived in California for summit talks with US President Barack Obama.</span><div><p style="margin: 0px 0px 1.6rem; "><span style="background-color: rgba(255, 255, 255, 0);">The informal setting is seen as a chance for the leaders of the world's largest economies to build a rapport amid a slew of high-stakes issues.</span></p><p style="margin: 0px 0px 1.6rem; "><span style="background-color: rgba(255, 255, 255, 0);">Cyber espionage is expected to top the agenda, with North Korea, Asian security and trade also key topics.</span></p><p style="margin: 0px 0px 1.6rem; "><span style="background-color: rgba(255, 255, 255, 0);">US lawmakers and human rights groups have also urged Mr Obama to call for the release of 16 high-profile prisoners, including jailed Nobel peace laureate Liu Xiaobo.</span></p><p style="margin: 0px 0px 1.6rem; "><span style="background-color: rgba(255, 255, 255, 0);">Mr Xi's US stop is the fourth leg of a trip that has taken him to Trinidad and Tobago, Costa Rica and Mexico.</span></p><p style="margin: 0px 0px 1.6rem; "><span style="background-color: rgba(255, 255, 255, 0);">Accompanied by his wife, folk singer Peng Liyuan, he arrived at California's Ontario International Airport on Thursday.</span></p></div>