“…This section does not aim to review and comment on all literature dealing with the rock art in focus, since it is more importantly to present a new research and such review can be found elsewhere (see V. A. . A comprehensive up-to-date review of Trans-Baikal rock art can be found in Ponomareva (2019). Therefore, this section will outline current problematic issues which will be examined in detail in the following sections.…”