We're Going on a Bear Hunt

It's famed as the city of peace and love, but San Francisco is digging in for a fight over President Trump's order to expel millions of undocumented migrants.

China is executing a master plan to dominate world football, pumping billions of dollars into buying up foreign players, coaches and entire European clubs, and grooming new generations of its own young stars.

The world is running low on sand. It's a basic ingredient in construction — think skyscrapers, shopping malls, roads and windows — and cities are growing faster and bigger than at any time in history.

In India, where the government promises to build the equivalent of a "new Chicago" every year, the demand is insatiable. Its construction industry is said to have tripled its sand consumption since 2000.

It's got more oil than any country on the planet but its people eat garbage and gangsters rule. Defying a media ban, Eric Campbell goes undercover in the onetime socialist idyll of Venezuela.

Thousands of travelers, many of them young Australians, are flocking to the Amazon to chase the highs of the ayahuasca plant. Tragically, some never return. Hamish Macdonald visits to investigate the death of one individual.