This is a photo showing the squama on the wing of papilio paris linnaeus under the microscope taken by photographer Zhang Chao. China's first nature image record named "The Beauty of Nature - Nature & Wildlife Photography in China" was released recently, which includes the essence of the 63 programs IBE (Imaging Biodiversity Expedition) has researched on in the six years since it was founded. IBE, founded in 2008, is an institute which aims to record the nature in China by using imaging biodiversity expedition. [Photo/Xinhua]