Similar 2013 photo notes the large white building on the left as Camp 6, the star shaped building as Camp 5. Camp 6 was constructed in 2006, 2 story medium security upgraded to high security design. Camp Delta and Camp Echo would be the two in the bottom center and date from 2002. The Camp Justice Guantanamo Bay website does not give details on the camps.
Camp 6 2006 Youtube video: https://www.youtube.com/watch?v=zp76AlOgHPgYouTube
Office of Military Commissions / Camp Justice Website: https://www.mc.mil/ABOUTUS.aspx
Under Legal Documents - Military Commissions Documents include the military tribunal manual (291 pages)
https://www.mc.mil/Portals/0/pdfs/2016_Manual_for_Military_Commissions.pdf
Legal Authority is 10 USC Chapter 47A Military Commissions
https://www.dni.gov/index.php/ic-legal-reference-book/title-10-chapter-47a-united-states-code-military-commissions
Camp 6 Reservations available for the holiday season > > FISA accepted