The first photograph is a map of Christmas Island in the Indian Ocean. It shows only the coastline and the settlement of people indicated by the star on the map.
The second photograph shows the official flag of Christmas Island. It has four official colours, they are blue background with the white stars of the Southern Cross, the green background and the Yellow/Golden Bosun flying. The Southern Cross stars represents that it is territory part of the Commonwealth of Australia. The Golden Bosun is a native Christmas Island bird that represents Christmas Island in the Flag.
The next picture is a picture of crabs with a few anonymous person in them. The Red Crabs as they are officially named, are native wildlife species of Christmas Island. Here are some links that will shed more light on those who are interested in Red Crabs