2.7M views · 46K reactions | El Hongo – a high-security bunker in Mexico´s desert. Sensors, cameras, mobile phone jammers – this prison is a veritable high-tech fortress. Snipers on fifteen guard towers make sure that nothing can get in or out. El Hongo is deemed perfectly incorruptible – in a country in which corruption runs through all levels of society like cancer. | Free Documentary | Facebook

6K views · 11 reactions | <Land of Diversity> documentary reveals the amazing state of lives and ecosystems in the Himalayas, and Chinese scientists’ profound effort for their preservation – a Tech It Out Studio production. #ForNature #COP15 #landofdiversity #biodiversity | Tech It Out with Yang Zhao | Facebook

187K views · 179 reactions | The South-to-North Water Diversion Project has replenished many rivers in northern China, effectively reversing groundwater depletion and greatly improving local ecosystems. Discover the story in #ShowMeChina Documentary | Water From the South (Ep. 5): Harmony between humanity and nature. | China Xinhua News | Facebook