RhB ABe 4/4 puzzle, based on an original photo by Bruno Dietliker (photo copyright Bruno Dietliker -- used with permission). Photographed at Brusio, Switzerland, August 10, 2020.
Click here for more information about this photograph
The "Easy" version of the puzzle has about 100 pieces, "Medium" has about 200 pieces, "Hard" is about 300 pieces. For the Online puzzles, see the Online Puzzle Tips.