This is a possible concise summary:
The text is a transcript of a video about the 20 most grandiose monuments installed on the graves of thieves in law, who were influential crime bosses in Russia and other countries. The video describes the life, death and burial of each thief in law, as well as the details of their memorial complexes, which often feature sculptures, crosses, flowers and gilding. The video also mentions some of the legends and stories associated with the thieves in law and their monuments. Some of the most famous thieves in law mentioned in the video are Rudik Bakinsky, Grandfather Khasan, Sasha Brother-in-law, Rovshan Lenkoransky and Yaponchik.
Here are some possible key facts extracted from the text:
1. The text is about the monuments installed on the graves of thieves in law, a term for criminal leaders in the former Soviet Union.
2. The text gives examples of 20 such monuments, with details about the names, nicknames, dates and causes of death, locations of burial, and features of the memorial complexes of the thieves in law.
3. The text mentions that some of the monuments are made by famous sculptors, have artistic value, or reflect the personality or status of the deceased.
4. The text also mentions that some of the funerals and farewell ceremonies of the thieves in law were attended by hundreds or thousands of people, including other crime bosses and authorities.
5. The text implies that the monuments are interesting not only from an artistic and aesthetic point of view, but also from a historical and sociological point of view, as they reveal the life and mentality of the criminal subculture.