Sign cautions the presence of radio frequency fields in excess of the Federal Communications Commission rules for human exposure at a data...
Train passes a data transmission tower in Chicago, Illinois, U.S., on Friday, May 25, 2018. In Maple Park, Illinois, traders appear to be testing the...
Data transmission tower stands in Chicago, Illinois, U.S., on Friday, May 25, 2018. In Maple Park, Illinois, traders appear to be testing the idea of...
Data transmission towers stand in a field in Maple Park, Illinois, U.S., on Friday, May 25, 2018. In Maple Park, Illinois, traders appear to be...
Data transmission tower stands in Chicago, Illinois, U.S., on Friday, May 25, 2018. In Maple Park, Illinois, traders appear to be testing the idea of...
Data transmission towers stand in a field in Maple Park, Illinois, U.S., on Friday, May 25, 2018. In Maple Park, Illinois, traders appear to be...
Sign hangs on display near data transmission towers warning of potentially dangerous radio frequency energy in Maple Park, Illinois, U.S., on Friday,...
Data transmission towers stand in a field in Maple Park, Illinois, U.S., on Friday, May 25, 2018. In Maple Park, Illinois, traders appear to be...
Data transmission tower stands in a field in Maple Park, Illinois, U.S., on Friday, May 25, 2018. In Maple Park, Illinois, traders appear to be...
Data transmission tower stands in Chicago, Illinois, U.S., on Friday, May 25, 2018. In Maple Park, Illinois, traders appear to be testing the idea of...
Data transmission towers stand in a field in Maple Park, Illinois, U.S., on Friday, May 25, 2018. In Maple Park, Illinois, traders appear to be...
Sign near data transmission towers notes the presence of radio frequency energy nearby in Maple Park, Illinois, U.S., on Friday, May 25, 2018. In...
Data transmission towers stand in a field in Maple Park, Illinois, U.S., on Friday, May 25, 2018. In Maple Park, Illinois, traders appear to be...
Data transmission tower stands in a field in Maple Park, Illinois, U.S., on Friday, May 25, 2018. In Maple Park, Illinois, traders appear to be...
Data transmission towers stand in a field in Maple Park, Illinois, U.S., on Friday, May 25, 2018. In Maple Park, Illinois, traders appear to be...
Data transmission towers stand in a field in Maple Park, Illinois, U.S., on Friday, May 25, 2018. In Maple Park, Illinois, traders appear to be...
Data transmission towers stand in a field in Maple Park, Illinois, U.S., on Friday, May 25, 2018. In Maple Park, Illinois, traders appear to be...
Sign near data transmission towers notes the presence of radio frequency energy nearby in Maple Park, Illinois, U.S., on Friday, May 25, 2018. In...
An electric repeater station provides power to the CME Group Inc. Data center in Aurora, Illinois, U.S., on Friday, May 25, 2018. In Maple Park,...
Data transmission towers stand in a field in Maple Park, Illinois, U.S., on Friday, May 25, 2018. In Maple Park, Illinois, traders appear to be...
The CME Group Inc. Data center stands under construction in Aurora, Illinois, U.S., on Friday, May 25, 2018. In Maple Park, Illinois, traders appear...
The CME Group Inc. Data center stands in Aurora, Illinois, U.S., on Friday, May 25, 2018. In Maple Park, Illinois, traders appear to be testing the...
Sign near data transmission towers notes the presence of radio frequency energy nearby in Maple Park, Illinois, U.S., on Friday, May 25, 2018. In...