Photo believed to be taken soon after 707 VH-EBB (background) had returned from Boeing following conversion to a 707-138B with JT3D turbofans. Earlier in 1961, -ECD had also returned from the US where it had received LEAP modifications in the wake of several inflight break-ups. Qantas photo.
This photo was added on 22 March 2019, and has since been viewed 1041 times.