Women pound ground nuts near Lilongwe, Malawi. Ground nuts provide a good source of protein for resource poor farmers

Ground nut (peanut) farmer, near Lilongwe, Malawi

Winnowing sorghum near Bulawayo, Zimbabwe. Sorghum, a traditional crop, is making a comeback in areas where drought has become more prevalent

Young boy watches from his window in Dhaka, Bangladesh

Freshly dyed textiles set out to sun dry in Dhaka, Bangladesh

Maize showing the Opaque 2 trait for quality protein. Ordinary maize (corn) does not have the complete set of amino acids required for people to synthesize protein when they eat it. Maize with the Opaque 2 gene does have a complete set of amino acids

Selecting maize seed at the International Maize and Wheat Improvement Center, Mexico. Every year seeds from the CIMMYT germplasm bank are shipped to researchers all over the world

Small boat on the Brahmaputra River near Dhaka, Bangladesh

Woman pond fish farmer from Jessore, Bangladesh, admires her catch. Back yard fish farming is providing nutrition and income to women in Bangladesh and all across Africa

Typical load, tricycle on the road near Jessore, Bangladesh. Much of Bangladesh is under water during the monsoon season but during the dry season the narrow roads host all traffic, from transport trucks to bicycles

Woman on the main street of a town in the Cauca River Valley, Colombia

Mother and daughter, Pachamama Grande, high Andes, Ecuador

Butterflies and moths gather near a waterfall, Cauca Valley, Colombia. They present a lovely tranquillity in a part of Colombia that has seen both the Revolutionary Armed Forces of Colombia (FARC) and the drug cartels vie for control of the countryside

In warmer climates not all the rooms of a house have to be indoors. Here is a typical kitchen, outdoors in the Cauca Valley, Colombia

People washing their clothes in the muddy Niger River, Segou, Mali

Agriculture research station near Zomba, Malawi. Here researchers have focused on the potential for using farm byproducts and waste as feed for fish in backyard fishponds

Sheep provide income for the people who live high in the Andes mountains of Ecuador. This image from Pachamama Grande at about 12,000 feet (3600 metres).

Fog catchers collect drinking water high in the Andes. It does not rain much and at the top of the mountains and there are no streams. But the clouds gather every day. This is at Pachamama Grande, Ecuador

This boy lives at the top of the plateau of Pachamama Grande, Ecuador. One of the impacts of the Spanish conquest of the Americas was to drive indigenous people's to higher ground as the Europeans took the more fertile valley land. Another consequence of this vertical segregation as been that the indigenous language on this plateau, Quechua, has survived.

Peruvian boy in the high Andes not far from Cuzco. This region is a source of biodiversity for potatoes

Age and wisdom. A village elder rests against the trunk of a Baobab tree in the back of his compound near Navrongo, northern Ghana

Mother, daughter and father learn together. They are listening to a lesson about sexually transmitted infections given by a community health worker near Navrongo, northern Ghana

This will only hurt a little... A medical researcher takes a blood sample from a young child. Part of a malaria vaccine study being conducted at the Navrongo Health Research Centre, Navrongo, northern Ghana

Pauline Ortega, a farmer from Oaxaca, Mexico, learned to select maize seed from her father. Now she helps researchers from the International Maize and Wheat Improvement Center, CIMMYT, to preserve ancient maize varieties

Maize tortillas cooking on a traditional outdoor stove near Oaxaca, Mexico

This structure, built by the Inca in Peru,not far from Cuzco, could have been the world's first agriculture research station. Each level had a slightly different micro climate, so seeds could be tested for the best adaptation to local conditions

This is the sacred valley of the Incas near Cuzco, Peru

Local farmers sort and select potatoes for the International Potato Center at a research station in the mountains near Cuzco, Peru

A farmer uses oxen to plough his field, to be ready to plant a new potato crop high in the Andes mountains near Cuzco, Peru