You can walk over the many bridges in a short time. or take as long as you like
At its source you could step across it, at London you could walk across a bridge in 5 minutes.
That would depend on the cruise.
Take to what.....
The length is 215 miles
4 hours
It takes place on the Thames.
A large cruise ship can take between 6 and 7 hours to get from New Orleans out to the Gulf of Mexico.
The Thames
It does take a winding and indirect course
Take it to the Museum of London, who can identify it for you.
3 mins
From where?
No ships cruise to the North Pole.
I toke two years to build
River Thames frost fairs were held on the tideway of the River Thames at London in some winters between the 17th century and early 19th century, during the period known as the Little Ice Age, when the river froze over.
Anyone can be on a cruise so long as there is an adult to take care of minors.