into space, underwater travel and air travel before any real steps were made. Even today, scientists..., underwater travel and air travel before any real steps were made. Even today, scientists and inventors ……

were very simple, but inventors realised that because air is lighter than water underwater travel... underwater travel is possible. Submarines have tanks that can be filled with air or water. When ……

奇人进行水下环游世界。A UKRAINIAN (乌克兰的) man is going to travel around the world… underwater.The man, named... that it will be used in the future in many ways. Konyukhov decided to travel the globe in a submarine ……

More people are looking into underwater ventures. TUCHONGMore people are looking into underwater... of the world's bodies of water as a tourist destination. However, the travel industry has made great ……

the underwater world. ICMore people like to explore the underwater world. ICEvery day people board... as a tourist destination. However, the travel industry has made great strides (进展) in creating aquatic ……

of Washington, US, makes underwater communication easier. Since acoustic (声音的) signals can travel... (组装) by themselves.AquaApp transmits messages underwater. University of WashingtonDeep sea ……

About 75% of all volcanoes (火山) are underwater (在水下). ……

Ninety percent of an iceberg (冰山) is underwater (在水下). ……

changes in the ways we travel, live, eat and work. What’s waiting for us? Let’s take a look at some of the possible changes.Underwater highways 水下高速公路These highways are underwater tubes (管子). We sit ……

are underwater tubes (管道). People sit in pods (舱). They can travel between the UK and countries... there will be some possible (可能的) changes in the ways we travel, live, wear and have fun. Some of them ……

are underwater tubes (管道). People sit in pods (舱). They can travel between the UK and countries... there will be some possible changes in the ways we travel, live, wear and have fun. Some of them are under ……

to travel, I could quickly go to various cities and places of interest without paying for flight or train tickets. I could even travel abroad without worrying about passports and hotel rooms ……

to visit southern Norway. The restaurant is entirely underwater. “Under” in Lindesnes will be Europe’s first, as well as the world’s largest, underwater restaurant.This underwater tourist attraction ……

and perform a range of scientific tasks, BBC news online said.It can travel at the relatively fast underwater speed of one metre per second — equivalent to a walking pace — and can hover, tilt and right ……

) it brings closer the day when it will be possible to travel from London to Beijing via (经过) Istanbul by train,” BBC commented.The tunnel was started back in 2004. The underwater section runs for 1.4km ……