Combo photo shows the exterior scene (up) and the interior scene (bottom) of a public toilet at the Yellow River Military Culture Expo Park in Yinchuan City, capital of Northwest China's Ningxia Hui autonomous region, Nov 28, 2017. Nearly 300 million yuan ($45.4 million) have been spent in installing or renovating 481 toilets at tourists sites in Ningxia since 2015. [Photo/Xinhua]