30 years after the world's worst nuclear disaster, FRONTLINE and New York University present "Return to Chernobyl." This VR doc takes you on a haunting 360° journey inside the ruins, guided by Aleksandr who was just 9 years old when he survived Chernobyl. Today, Aleksandr is a tour guide bringing throngs of visitors through his notorious hometown -- despite still dangerous levels of radiation. | FRONTLINE | PBS

388K views · 5.2K reactions | CNN's Fred Pleitgen visits the abandoned Russian military positions in Chernobyl where Russian soldiers went into the Red Forest, the most nuclear contaminated area on the planet, and brought back radioactive dust. | CNN | Facebook