Ok, back inside.
There are some better photos of this process of tree "Installation" but this one shows the guys walking back off the trailer. There were three guys working on this project, one in the crane and two on the ground. So the two guys on the ground had to put the tree in the slings, tie it up a bit and then walk back inside to direct the crane operator. Then they untied it and undid the slings so they could walk back outside and do it all again. Lucky for them it was only 10 trees.
Ok, back inside.
There are some better photos of this process of tree "Installation" but this one shows the guys walking back off the trailer. There were three guys working on this project, one in the crane and two on the ground. So the two guys on the ground had to put the tree in the slings, tie it up a bit and then walk back inside to direct the crane operator. Then they untied it and undid the slings so they could walk back outside and do it all again. Lucky for them it was only 10 trees.