The strange species of salamander can remain motionless for 7 consecutive years
Researchers have discovered a species of salamander that has a very special ability to lie motionless for a long time.11 kinds of bizarre planes ever appeared on Earth
Aviation history has witnessed many times10 most expensive commercial submarines in the world
Super rich countries in the world are willing to spend hundreds of millions of dollars to own super submarines for entertainment needs.Iron spiders carry people on the water
If you come across this canoe you might think that it only appears in the James Bond movie, but that might be a means of going to sea in the future.