>> At these seven story, so called, hog hotels in China, it's check-in time, but for the guests inside, it's no holiday. This is high rise pig farming at its most intense. Buildings with lifts and 1,000 pigs per floor. It's an answer to the demand in China for pork as it goes up and up.
Beijing is also pushing ahead to modernize the country's farming sector and create wealth in rural areas. Similar hog farms have been tried in Europe of two or three floors. But have been abandoned, largely because of public resistance that large intensive farming. This one, in China's Yanji Mountain, plans to expand upwards.
When it does, it will have 13 floors, and it'll be the tallest building of its kind. It'll house 30,000 sows by the end of the year, producing more than 800,000 piglets annually, making it the biggest, most intensive breeding farm in the world. Success here could have implications across densely populated land scarce Asia.
Similar farms are already springing up across China and South Korea.