ROUGH CUT (NO REPORTER NARRATION)<br/> <br />STORY: Chinese President Xi Jinping landed in St. Petersburg on Wednesday on the eve of the G20 summit.<br/> <br />World leaders will gather at a palace outside the northern Russian city on Thursday and Friday.<br/> <br />The world economy as well as the ongoing crisis in Syria are expected to be top of the agenda.<br/> <br />Despite calls from U.S. President Barack Obama and other western leaders to respond to a recent chemical attack in Syria, China and Russia have resisted calls for military intervention in the crisis.<br/> <br />Obama has already confirmed a bilateral meeting with Xi during the summit, and German Chancellor Angela Merkel is also expected to hold talks with the Chinese leader.