https://4.bp.blogspot.com/-ZaZgfe2Gyk0/XqHI23JcnqI/AAAAAAAAW...
The animals are in a line bunched up close and alternating facing so that one animal has its head on the shoulders of the two animals next to itself and looking towards their rear.
I haven't seen that before. More peculiar is that I can't see them eating anything. Normally when animals are milked, it's lunch (or dinner) time. They line up in front of their troughs and they're milked while they eat. Typically there's some kind of divider or railing to keep them more or less still also. Otherwise you need to have really well disciplined and calm animals or you'll get lots of hooves in milk pots and so on.
It's also very interesting to see how they dried their cheeses on top of their tents. These look like small, lactic cheeses. If they had a good source of salt they would probably be very high on salt both to help preserve and sanitise them and also to replenish the salt lost by the people to the heat of the desert. Anyway that must have been really strong cheese: sun-dried, very salty, goat's milk cheese. Yum.