Those are photos of my June 2009 Motorcycle road trip in the Himalayas (Manali, Leh, Kargil, Srinagar).
I was riding a Royal Enfield "Bullet" 500cc Machismo, that I rented in Delhi.
Photos of Terrace Farming in Asia (Vietnam, India, Indonesia).
Most of those terraced fields are rice paddy fields.
You can find more information about terrace agriculture on Wikipedia:
Photos taken during a 7-week, 7000 Km motorcycle tour across parts of India (Delhi, Rajasthan, Ladakh, Kashmir, Jammu and more) in May-June 2009.