Plenty Richmond, the world's first vertical farm to grow strawberries indoors on a large scale, opened on September 24 in Richmond, Virginia.
Going into operation in 2022, the farm called GigaFarm of the Emirate of Dubai in the United Arab Emirates is bringing in millions of kilograms of vegetables every year.
A Japanese company uses indoor vegetable cultivation technology, producing more than 80 tons of fresh vegetables every year.
Below are four economical farming area solutions that have been widely commercialized in some countries around the world.