I love every little detail from the shack houses, the little ACs, that tinkerbell neon figure, both chinese (I assume since I don't read/speak it) and english signs...the run down polluted and abandoned feel of it all. Really good job! Congrats on the DD!
If you look at his other work, a lot of people are modified. I would assume it's like how people with lots of cybernetics in their bodies eat in the Ghost in the Shell world. That is, synthetic foods if I remember correctly.