Maybe I am too bold to claim the ticking off the pile dwelling sites.

Last week (in October 2021), I visited Ljubljana and I went by the Slovenian components in the Marshland nearby Ljubljana. There is nothing special to see at the site, and I was too shy to force my colleagues to explore it more in detail. However, I visited the City Museum of Ljubljana in the city center, which is located in the buffer zone of the Plečnik´s WHS. There is one room dedicated to the pile dwellings and related archeological findings around Ljubljana and the focal piece of the room as well as the entire museum is "Wheel of global significance" (PHOTO), which is mentioned also in the nomination text.

Here is the text written on the banner:

"Wheel of global significance:

The wooden wheel with an axle, as many as 5,200 years old, is a special treasure of the world´s cultural heritage, both because of its age and its technological perfection. The wheel, possibly a part of a two-wheeled cart, is composed of two ash wood plates joined with four oak wood pins. Tha axle is made from one piece of oak wood, its rectangular ends fitting into the wheel hub. The selection of wood, the accommodation made for wood expansion and shrinking as well as the manner of fixing and joining suggested that the wheel was made by an expert who was knowledgeable about wood varieties.

The wheel with the axle, which is believed to be the oldest in the world, was discovered in 2002 in one of the drain ditches at the pile dwelling settlement site..."

The museum is nice and pleasingly small, and I enjoyed not only the expositions about the pile dwellings, but also about the younger periods of Ljubljana history (especial about the Roman settlement Emona).

I can say that I will not actively search for other components to visit, but I am pretty sure I will visit some of them during my traveling around the Alps. The crazy feature is enormous number of the sites... but all important has been already said in other reviews.