Age of Steam - Panama - 3p Teaching, Play-through, & Round table by Heavy Cardboard

About Age of Steam Expansion: Panama/Corsica, from BoardGameGeek:

This is the first pair of new maps for 2018: Panama has special goods arrival near the canal, but you need to control the canal to get its benefits... Corsica the only place where black cubes represent the Corsican sense of independence. Certain regions of this island are going more and more challenging to urbanize and develop than others... -description from designer