Dancers parade at Notting Hill Carnival in London, Britain, on Aug. 30, 2015. The Notting Hill Carnival is the largest street festival in Europe and originated in 1964 as a way for Afro-Caribbean communities to celebrate their own cultures and traditions. (Xinhua/Han Yan)

Dancers parade at Notting Hill Carnival in London, Britain, on Aug. 30, 2015. The Notting Hill Carnival is the largest street festival in Europe and originated in 1964 as a way for Afro-Caribbean communities to celebrate their own cultures and traditions. (Xinhua/Han Yan)

Dancers parade at Notting Hill Carnival in London, Britain, on Aug. 30, 2015. The Notting Hill Carnival is the largest street festival in Europe and originated in 1964 as a way for Afro-Caribbean communities to celebrate their own cultures and traditions. (Xinhua/Han Yan)

A dancer parades at Notting Hill Carnival in London, Britain, on Aug. 30, 2015. The Notting Hill Carnival is the largest street festival in Europe and originated in 1964 as a way for Afro-Caribbean communities to celebrate their own cultures and traditions. (Xinhua/Han Yan)

A dancer parades at Notting Hill Carnival in London, Britain, on Aug. 30, 2015. The Notting Hill Carnival is the largest street festival in Europe and originated in 1964 as a way for Afro-Caribbean communities to celebrate their own cultures and traditions. (Xinhua/Han Yan)

Dancers parade at Notting Hill Carnival in London, Britain, on Aug. 30, 2015. The Notting Hill Carnival is the largest street festival in Europe and originated in 1964 as a way for Afro-Caribbean communities to celebrate their own cultures and traditions. (Xinhua/Han Yan)

Dancers parade at Notting Hill Carnival in London, Britain, on Aug. 30, 2015. The Notting Hill Carnival is the largest street festival in Europe and originated in 1964 as a way for Afro-Caribbean communities to celebrate their own cultures and traditions. (Xinhua/Han Yan)

Dancers parade at Notting Hill Carnival in London, Britain, on Aug. 30, 2015. The Notting Hill Carnival is the largest street festival in Europe and originated in 1964 as a way for Afro-Caribbean communities to celebrate their own cultures and traditions. (Xinhua/Han Yan)