Countable and Uncountable

People

How many people are in the picture?

There are seventeen people in the picture.

Peoples

Lots of peoples are here in Colombia, all of them are different from the others and all of them are awesome. 

A people

This is a beautiful girl from the people Wayúu, It is located in the north of Colombia.

TITANIC THE SINKING

Here is the most popular sinking in the history, and of course the easyest to prevent, let's see what they should have done and what they might  have done even better, so lets start with what they should have done wrong?, well firt I think they though that this ship couln't sink because that was the firts tecnology on that time and they might not have thongh that this kind of thing could happen, but I think that was the mistake.