They are the main two publications with the "Moderný Pračlovek" collection (Modern-day Caveman). The principle idea was to depict caveman drawings inside of a very simple way and products which have been utilized at that time... but in addition in our days. The first a single — “Kuchyňa Pračloveka” (Caveman's https://maplepublishers.com/blog/page/6/