1. "Field video" of the (Tunguska 1991 expedition: part 1, 15' 17"), (part 2, 15' 10"), (part 3, 15' 07"), (part 4, 13' 52") and (summary, 10' 26").
2. From the 1999 aero photo survey:
Cheko surroundings.
3. From "Rick Beyer and Bill Lattanzi (Veriscope Picture) for the "National Geographics" Channel", 2010: Reasearches on the TG22 core at 45 m water depth.
4.1. Tunguska in "Voyager, RAI 2", May 2010: (A possible crater part 1, 8' 37"),
(part 2, 8' 28"), (part 3, 8' 26").4.2. Tunguska in "Superquark, RAI 1", 26 August 2010: The crater hypothesis (Italian, 7' 44").
5. 30 June 2008: First video exploration of the Cheko lake bottom (part 1, 1' 08") and (part 2, 1' 25")
6. 2009 field researches in "National Geographics": (Il Mistero di Tunguska part 1, Italian 15' 06"),
(part 2, 15' 06"), (part 3, 14' 40").
 1991 Raices de àrboles |
 1999 The aerosurvey |
 1999 The TG22 core |
 2007 A possible crater |
 2008 Drowned forest |
 2010 Clavius crater |
