What do we celebrate?
In the picture we are celebrating Christmas, it is one of the most important dates of the year for our family 

When do we celebrate it?
We usually have 2-3 days celebrating Christmas in different houses because we have an extended family, we also like to visit all our family before we leave 

How do they celebrate it? 
Like any other family we gather for a dinner, have a nice evening and it is usual for most of us to get drunk