Chinanews, August 11, a comprehensive report, recently, the US Immigration and Customs Enforcement (ICE) found an underground tunnel nearly 400 meters long near the US-Mexico border. According to the report, this tunnel is "extraordinarily complex" and even equipped with ventilation equipment and a railway system, which is suspected to be used for smuggling.

Associated Press news on August 7, the picture shows the underground tunnel being excavated. The tunnel extends from the desert of Arizona to Mexico.

  According to the Associated Press, ICE announced that on August 3, local time, U.S. federal agents discovered an unfinished underground tunnel with a length of 1,300 feet (about 400 meters) in the Arizona desert.

  U.S. Customs and Border Protection (CBP) officer Carl Landrum said that this "looks like the most complex tunnel found in U.S. history, and certainly the most complex tunnel I have seen in my career."

According to reports, the tunnel has all facilities such as ventilation system, water pipes, wire network, railway track, etc., and a lot of reinforcement measures have been taken.

  According to Reuters, ICE said that the tunnel was 3 feet long and 4 feet wide. Although it was only dug about 400 meters long, the ventilation system, water pipes, wire network, railroad tracks and other facilities were all available and carried out. A lot of reinforcement measures.

  According to the report, over the years, the US authorities have found hundreds of tunnels suspected of being dug from outside the country and extending into the country under the southwest border of the country. These tunnels are often used by drug cartels and criminal organizations to smuggle drugs, people and weapons between the two countries.

  In January 2020, CBP announced that federal agents had discovered the longest cross-border smuggling tunnel at the southwest border of the United States, measuring 4,309 feet (about 1,300 meters).