by Xinhua writer Zhang Yunlong BEIJING, May 30 (Xinhua) -- "Without a single line of dialogue, it captures the essence of human emotions -- loneliness, companionship, longing, and letting go -- which are all the indispensable elements of love," a netizen commented on China's Douban review platform, referring to the award-winning animated film "Robot Dreams." The Chinese mainland summer box office is set to sizzle following the recent announcement that the Spanish-French co-production will be