Theorie:

In order to speak about walking in the city, you need the appropriate vocabulary.
  
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Outing - a short journey made by a group of people, usually for pleasure or education;

Stroll - to walk in a slow, relaxed manner, especially for pleasure;

Drive - used in the names of some roads, especially roads containing houses;

Row - a line of houses joined together along their side walls;

Sail - travel on the water;

To take a walk/stroll - go for a walk in a slow, relaxed manner, especially for pleasure;

To promenade - to walk slowly along a road or path for pleasure;

Tour - to go on a tour somewhere;

World tour - travel to countries, or an area of human activity or understanding;

Picnic - an occasion when you have an informal meal of sandwiches, etc. outside, or the food itself;

To picnic - to have a picnic somewhere.
 
 
Examples:

Every year the professor takes his students on an outing to the archives of the Library of Congress.

We could stroll along the beach after dinner.

The boat sailed along/down the coast.

We spent a month touring (around/round/in) Kenya.

There were several families picnicking on the river bank.