简介：With North Korea's relations with the rest of the world at a new and unpredictable inflection point, National Geographic Documentary Films presents INSIDE NORTH KOREA'S DYNASTY, a groundbreaking four-episode documentary series that examines the
简介：A few weeks ago, the National Health Service was hit by a widespread and devastating cyber attack - Horizon tells the inside story of one of the most challenging days in the history of the NHS.On the morning of 12 May the attack started. Appointment syst
主演：Iain Stewart Mark Boslough Steven R. Chesley ...
简介：On a bright, cold morning on 15th February 2013, a meteorite ripped across the skies above the Ural mountains in Russia, distintegrating into three pieces and exploding with the force of 20 Hiroshimas. It was a stark reminder that the Earth's journey
简介：A few weeks ago, the National Health Service was hit by a widespread and devastating cyber attack - Horizon tells the inside story of one of the most challenging days in the history of the NHS.On the morning of 12 May the attack started. Appointment syst