BBC Earth

Michael Portillo boards Vietnam's spectacular Reunification Railway to make a 1,000-mile journey from Ho Chi Minh City to Hanoi. He visits the container port of Haiphong and finishes in Halong Bay.

A devastating typhoon in the Philippines destroys communities, leaving millions homeless, while a British hiker narrowly escapes an avalanche in Kyrgyzstan's Tian Shan Mountains.

In Shenzhen and Hong Kong, Ben sees a dazzling drone show, explores Huaqiangbei Market, visits 'coffin homes', has coffee made by a robot barista and considers tech's environmental cost.

Four rival families - leopards, hyena, wild dogs and lions - all try to claim a rich corner of Zambian paradise as their home. Who will succeed in ruling this precious kingdom?

Michael comes face to face with a lion, heads skywards for a heavenly view, meets the city's great and the good from beyond the grave, and enjoys a classic aperitivo at a legendary bar.

Freshwater is often the stage on which millions of animals gather to find a mate. And the cycle of freshwater is the trigger for spectacular mating rituals and fierce competition.

Ash Dykes gears up for unique experiences-wrestling an Inner Mongolian champion in the Gobi Desert, and witnessing wild horse races at the Nadaam Festival.

Professor Brian Cox explores the solar system's misfits and oddballs and investigates the forces that sculpted the bizarre features on these strange worlds.

Michael comes face to face with a lion, heads skywards for a heavenly view, meets the city's great and the good from beyond the grave, and enjoys a classic aperitivo at a legendary bar.

Ash Dykes gears up for unique experiences-wrestling an Inner Mongolian champion in the Gobi Desert, and witnessing wild horse races at the Nadaam Festival.

Professor Brian Cox explores the solar system's misfits and oddballs and investigates the forces that sculpted the bizarre features on these strange worlds.

Freshwater is often the stage on which millions of animals gather to find a mate. And the cycle of freshwater is the trigger for spectacular mating rituals and fierce competition.

Ash Dykes gears up for unique experiences-wrestling an Inner Mongolian champion in the Gobi Desert, and witnessing wild horse races at the Nadaam Festival.

Professor Brian Cox explores the solar system's misfits and oddballs and investigates the forces that sculpted the bizarre features on these strange worlds.

In Shenzhen and Hong Kong, Ben sees a dazzling drone show, explores Huaqiangbei Market, visits 'coffin homes', has coffee made by a robot barista and considers tech's environmental cost.

Ash Dykes gears up for unique experiences-wrestling an Inner Mongolian champion in the Gobi Desert, and witnessing wild horse races at the Nadaam Festival.