Photo taken on Sept. 21, 2012 shows dishes of "food" made of different stones at an exhibition showcasing rare stones in Nanyang, central China's Henan Province. Photo: Xinhua
Photo taken on Sept. 21, 2012 shows a dish of rice-like pebbles at an exhibition showcasing rare stones in Nanyang, central China's Henan Province. Photo: Xinhua
People visit an exhibition showcasing rare stones in Nanyang, central China's Henan Province, Sept. 21, 2012. Photo: Xinhua