Party-goers danced in the streets of Rio de Janeiro to celebrate Rio Carnival 2017 as Brazil welcomed nearly a million tourists to the city, who are said to have spent $782m ($627.6m) in 2016, according to officials.

The highlight of carnival is when Rio's samba schools compete at the sambodrome arena
The highlight of carnival is when Rio's samba schools compete at the Sambódromo arena Reuters
The party gets political as revellers take part in block party Fora Temer (Out Temer)
The party gets political as revellers take part in block party Fora Temer (Out Temer), referring to Brazil's President Michel Temer Reuters
treet parties for everyone including those with mental health issues
There are street parties for everyone including those with mental health issues and called Half a Dozen Crying Cats and I am Normal, but the Coconut is Crazy Reuters
Proof positive that flower power is alive and well
Proof positive that flower power is alive and well Reuters
Carnival was introduced by Portuguese immigrants to Brazil
Its origins go back to the 18th century when it was introduced by Portuguese immigrants to Brazil and called the Entrudo Reuters
A worker from the Imperatriz Leopoldinense samba school prepares part of a carnival float
A worker from the Imperatriz Leopoldinense samba school prepares part of a carnival float at the school's carnival production headquarters Reuters
The Rio dog carnival, known as the Blocao – with ‘bloco’ meaning street party and ‘cao’ dog
The Rio dog carnival, known as the Blocao – with ‘bloco’ meaning street party and ‘cao’ dog Reuters
Dog lovers take time to dress their beloved pooches in special costumes
Dog lovers take time to dress their beloved pooches in special costumes Reuters
The annual carnival is famed for outlandish costumes and samba parades
The annual carnival is famed for outlandish costumes and samba parades Reuters
Carnival festivities in Rio Janeiro, Brazil
Revellers takes part in the annual block party Cordao de Prata Preta during carnival festivities in Rio Janeiro, Brazil Reuters