The world's biggest hole is located in Russia and is a 525 meter deep, 1.25 kilometer wide diamond mine near Mirna, Siberia. This mine has resulted in several helicopter crashes due to the strong suction above the hole, so flight is now prohibited over it. A satellite image shows how small vehicles and equipment appear in the massive excavation site.

1. The worlds biggest hole is located in Russia. The giant hole is actually a diamond mine in Eastern Siberia near the town Mirna. It is 525 m deep , and 1,25 km. in the diameter.

2. This loader is one of the biggest in the world : length : 13,36 m width : 7,78 m height : 6 ,65 m This giant machine appears just a small point in the next image.

5. Az árok fölötti légtérbe tilos berepülni, mivel korábban történtek itt helikopteres balesetek, mert a szívóerő egyszerűen beszippantotta a helikoptereket. The suction above the hole resulted in several helicopter crashes, so all flight above the hole now is prohibited.

8. A view from a satellite .