In October 2015, I visited a modelling fair in Leipzig, Germany. There, I could purchase some Russian prototype TT scale (1:120) equipment, e.g., a gasoline tank car, an Ural truck, and a set of so-called middle containers. Middle containers were a standardized container system used in the former Eastern Block countries. They were based on metric measures and not compatible with international intermodal containers. After having returned home, I used these models for a small photo scene in a chemical plant environment.
Note: Photo date and EXIF data listed by Flickr refer to the background picture I used as the base layer. The model photo is from 31 October 2015. It was taken by the same camera, however.