Originally Posted by Chris Scott
Can anyone tell me what the large bare-metal strut in the middle of the photo is for?
Seems to me to be a duct, wrapped in an insulating blanket. Look at the 'knee' at the top.
Originally Posted by zeroninesevenone
the blurring is because there is sand/mud flying over the central area
I repeat my belief that the darker area contains finer sediments because it was sheltered from currents by the box. The deposits on top of the inverted chassis show that sediments have been moving.