1 / 6An aerial view of the shipping containers stacked on top of each other at the MoVertical Farm in Yuen Long, Hong Kong's New Territories. (AP Photo/Kin Cheung)
2 / 6Arthur Lee, the owner of MoVertical Farm, prepares to deliver his fish to market at his farm in Hong Kong's rural Yuen Long. After a career making the shipping containers that transport untold tons of freight around the world, Lee has stuck with the metal boxes in retirement, now by repurposing them as farming environments for raising crops and fish. (AP Photo/Kin Cheung)
3 / 6Arthur Lee, the owner of MoVertical Farm, feeds his fish inside a shipping container. (AP Photo/Kin Cheung)
4 / 6Arthur Lee walks beside his shipping containers. (AP Photo/Kin Cheung)
5 / 6Arthur Lee controls the water coming out of the pipes watering the roots of vegetables planted in the pillars in Yuen Long. (AP Photo/Kin Cheung)
6 / 6Arthur Lee, the owner of MoVertical Farm, works on the plastic pillars with hydroponic vegetable cultivation at his farm in Yuen Long. (AP Photo/Kin Cheung)
