The accumulation of contaminated water is visible on aerial views on Google Maps: https://goo.gl/maps/dr7DiK76sSWbLKF1A https://goo.gl/maps/dr7DiK76sSWbLKF1A M

The accumulation of contaminated water is visible on aerial views on Google Maps: https://goo.gl/maps/dr7DiK76sSWbLKF1A https://goo.gl/maps/dr7DiK76sSWbLKF1A Most if not all of these round structures are massive tanks storing contaminated water. Looking at it now, it seems like the amount of space they take has actually reduced in the past few years, I seem to remember them spreading out pretty far.