We track four people on their journey.
We explore the new US-Cuba relationship
28 Jul 2012 00:12 GMT
A general view of the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium.
The Olympic rings converge together above performers.
A performer playing the role of Britain(***)s Queen Elizabeth II parachutes from a helicopter.
The ceremony was created by artistic director Danny Boyle, the British film maker known for his movie Slumdog Millionaire.
Boyle focused heavily on the industries that revolutionised Britain in the 18th
and 19th centuries.
The event is thought to have cost $42m.
The opening event kicks off a two-week festival of sport in which 16,000 athletes from 204
countries share the thrill of victory, and despair of defeat, with 11 million
Artists performed in an Olympic Stadium packed with a buzzing crowd of 60,000 people.
Actor Rowan Atkinson, known for his role as Mr Bean, took part in the ceremony.
West Bengal long suffered cancerous effects of arsenic-laced water, but projects to provide clean water show promise.
Health, Poverty & Development, Environment
Muslim fashion designers reflect on a rapidly growing industry.
Arts & Culture, Islam, Business & Economy
Americans' passports could be seized if they owe more than $50,000 in taxes, but could this law be unfairly applied?
Business & Economy, United States, Politics
How peat swamp destruction in Malaysia is causing devastating health problems and irreversible environmental damage.
Environment, Climate Change, Climate SOS
We travel to remote Manus Island in Papua New Guinea to investigate Australia's refugee detention programme.
Refugees, Papua New Guinea, Australia
In an ancient city torn apart by modern conflict, can food help to bridge political and religious divisions?
Arts & Culture, Middle East, Jerusalem
We look at the Taliban threat and the future of Afghan journalism; plus, Davos - global news event or PR exercise?
Media, Afghanistan, Taliban
We speak to the former UN chief weapons inspector, and ask Noam Chomsky about the US presidential election.
Politics, United States, North Korea