1 / 4   Some hotels are just trash, but one space, born out of an art project, is garbage – literally. /Caixin Photo

2 / 4   German artist HA Schult created an art installation called “Save the World Hotel”, which is a wooden house with its outer walls dressed in garbage. The aim of the trash hotel is to draw attention to the misuse of resources in the world. /Caixin Photo

3 / 4   The plastic bottles, newspapers and discarded furniture that are being used in the artwork were all collected from beaches by volunteers in Europe. /Caixin Photo

4 / 4   The house was exhibited in Rome and Madrid previously, before moving to Cologne. /Caixin Photo