Rio de Janeiro is nicknamed Cidade Maravilhosa or "Marvellous City," and it's not hard to see why.
It's known for debauchery, alcohol, fancy dress, dancing, and kissing. It involves very early starts, long days, and a lot of stamina.
While most outside media coverage focuses on the glitzy Sambadrome where the samba schools parade and everyone is dressed in frisky feathered outfits, there's a lot more to it than that.
I did my first carnival in 2010, and have been back for more since.
I've learned that the Carioca - a term used to refer to anything related to Rio - culture is actually very particular, and if you're thinking of travelling there to join in the celebrations it's worth knowing a thing or two about it beforehand.
Scroll down for 33 things I wished I'd known before doing my first Rio Carnival.