![Threat or trading partner? Sailing vessels in northwestern Arnhem Land rock art reveal different attitudes to visitors Threat or trading partner? Sailing vessels in northwestern Arnhem Land rock art reveal different attitudes to visitors](https://images.theconversation.com/files/405242/original/file-20210609-23-1a5udcs.jpg?ixlib=rb-1.1.0&q=20&auto=format&w=320&fit=clip&dpr=2&usm=12&cs=strip)
Threat or trading partner? Sailing vessels in northwestern Arnhem Land rock art reveal different attitudes to visitors
![Ancient and new aboriginal cave paintings, Cave Hill, Anangu Pitjantjara homelands, South Australia Stock Photo - Alamy Ancient and new aboriginal cave paintings, Cave Hill, Anangu Pitjantjara homelands, South Australia Stock Photo - Alamy](https://c8.alamy.com/comp/A111M6/ancient-and-new-aboriginal-cave-paintings-cave-hill-anangu-pitjantjara-A111M6.jpg)
Ancient and new aboriginal cave paintings, Cave Hill, Anangu Pitjantjara homelands, South Australia Stock Photo - Alamy
![Amazon.com: Aboriginal Kangaroo Rock Painting :Archival Quality Art Print Suitable for Framing: Posters & Prints Amazon.com: Aboriginal Kangaroo Rock Painting :Archival Quality Art Print Suitable for Framing: Posters & Prints](https://m.media-amazon.com/images/I/71GdqE2rdAL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Aboriginal Kangaroo Rock Painting :Archival Quality Art Print Suitable for Framing: Posters & Prints
![Newly Documented Aboriginal Rock Art Is 'Unlike Anything Seen Before' | Smart News| Smithsonian Magazine Newly Documented Aboriginal Rock Art Is 'Unlike Anything Seen Before' | Smart News| Smithsonian Magazine](https://th-thumbnailer.cdn-si-edu.com/C9eXAB09e3numjwLj5eu32BFiSQ=/fit-in/1600x0/filters:focal(959x461:960x462)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/af/fc/affcb649-e9d4-4417-9aaf-6f3c7f8a3aec/rock_art_1.jpeg)