View current natural hazards and events using the Events tab which reveals a list of natural events, including wildfires, tropical storms, and volcanic eruptions. This supports time-critical application areas such as wildfire management, air quality measurements, and flood monitoring. Many of the imagery layers are updated daily and are available within three hours of observation - essentially showing the entire Earth as it looks "right now". It stands as a lonely symbol of nationalism and self-reliance, whatever the cost.The Worldview tool from NASA's Earth Observing System Data and Information System ( EOSDIS) provides the capability to interactively browse over 1000 global, full-resolution satellite imagery layers and then download the underlying data.
Also illuminated around the clock: the famous 560-foot (171-meter) Juche Tower at the center of Pyongyang. Several government buildings, as well as Kim Jong Un's personal palace, stay lit at all times. Still, some parts of North Korea never go dark. No one can watch TV or consume the limited amount of media allowed by the government. Streets become too dark for people to walk, limiting social interactions outside of daytime work hours. In her 2009 book Nothing to Envy: Ordinary Lives in North Korea, Barbara Demick described the effect darkness has on culture. China remains the staunchest of the north's few allies. International inspectors have been denied entry, which has resulted in increasingly harsh sanctions led in large part by the United States and South Korea.
The North Korean government has refused offers of food and energy aid in exchange for a commitment to curtailing its nuclear energy ambitions. Starting in 1948 with Kim Il Sung, the grandfather of the current North Korean supreme leader Kim Jong Un, the country has shunned most of the world. Satellites have traditionally been the best tools for observing North Korea they capture detailed views from far beyond sealed borders.
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