There are many people live in the world and everyone have skills, travels and knowledge. For example travel in Australia. We can have ferry ride and see the city skyline. Also in Australia we can swim with dolphins.
Not only in Australia we can have informative travel. Also London had amazing bus. In this bus we could saw many interesting places and had excursions. It was very good bus.
Also in the museums we can take knowledge. One of the most museum is Tsiolkovsky museum. This museum has three holls and in one holl we can see meteorite.
Also if we worry, we need knowledge, because world has many diseases. For example have a toothache, have a cold/the flu, have a headache, cut your fingers, sprain your wrist and other. It's require knowledge too.
Also in travels some people have mobile phones and if they can't use mobile phone, it's bad, because phone has many programs. For example GPS, music, calls and other. In this situation help knowledge too.
In many cities you can see towers. You ask me: "And what?". If you get to excursions, you can take knowledge too, because everyone tower has history. For example Tower of London, Eye London, Tower Bridge, Elizabeth Tower. It's old, but very interesting towers.
Also we can't live in unfamiliar countries, if we don't know etiquette. For example on one continent people eat with arms. In this situation we must have knowledge about etiquette.
You think it's end, but no. I know one more situation, in wich we must have knowledge. It situation in metro or in trains, because we must know where our stop. I can tell this with one phrase: knowledge everywhere.
