Fireworks over the roof during the Closing Ceremony of the Rio 2016 Paralympic Games at the Maracan‹ Stadium. The Paralympic Games, Rio de Janeiro, Brazil , Sunday 18th September 2016. Photo: Simon Bruty for OIS/IOC. Handout image supplied by OIS/IOC

Koichi Omae and four female dancers are joined on stage by GIMICO, Aya Sato, Bambi and Akira Hiyama as a sign saying "see you in Tokyo" appears behind the performers during the Closing Ceremony of the Rio 2016 Paralympic Games at the Maracan‹ Stadium. The Paralympic Games, Rio de Janeiro, Brazil, Sunday 18th September 2016. Photo: Simon Bruty for OIS/IOC. Handout image supplied by OIS/IOC

Ivete Sangalo performs at the end of the Closing Ceremony of the Rio 2016 Paralympic Games at the Maracanã Stadium. The Paralympic Games, Rio de Janeiro, Brazil , Sunday 18th September 2016. Photo: Simon Bruty for OIS/IOC. Handout image supplied by OIS/IOC

A sign saying "see you in Tonyo" appears behind Koichi Omae and four female dancers are joined on stage by GIMICO, Aya Sato and Bambi walking triumphantly down the runway gathering around Akira Hiyama. during the Closing Ceremony of the Rio 2016 Paralympic Games at the Maracanã Stadium. The Paralympic Games, Rio de Janeiro, Brazil , Sunday 18th September 2016. Photo: Thomas Lovelock for IOS/IOC. Handout image supplied by OIS/IOC

Nego do Borel and Dream Team do Passinho perform during the Closing Ceremony of the Rio 2016 Paralympic Games at the Maracan‹ Stadium. The Paralympic Games, Rio de Janeiro, Brazil, Sunday 18th September 2016. Photo: Thomas Lovelock for IOS/IOC. Handout image supplied by OIS/IOC

Brazilian singer Ivete Sangalo performs during the Closing Ceremony of the Rio 2016 Paralympic Games at the Maracan‹ Stadium. The Paralympic Games, Rio de Janeiro, Brazil, Sunday 18th September 2016. Photo: Thomas Lovelock for IOS/IOC. Handout image supplied by OIS/IOC

Brazilian singer Ivete Sangalo performs during the Closing Ceremony of the Rio 2016 Paralympic Games at the Maracan‹ Stadium. The Paralympic Games, Rio de Janeiro, Brazil, Sunday 18th September 2016. Photo: Thomas Lovelock for IOS/IOC. Handout image supplied by OIS/IOC

Brazilian singer Ivete Sangalo performs during the Closing Ceremony of the Rio 2016 Paralympic Games at the Maracan‹ Stadium. The Paralympic Games, Rio de Janeiro, Brazil, Sunday 18th September 2016. Photo: Thomas Lovelock for IOS/IOC. Handout image supplied by OIS/IOC

(left to right) Chul Park KOR, Muharrem Korhan Yamac TUR, Ju Hee Lee KOR, Server Ibragimov UZB and Zivko Papaz SRB competing in the P4 - Mixed 50m Pistol SH1 Qualification at the Olympic Shooting Centre. The Paralympic Games, Rio de Janeiro, Brazil, Wednesday 14th September 2016. Photo: Simon Bruty for OIS. Handout image supplied by OIS/IOC

Borislava Peric-Rankovic SRB vs Miao Zhang CHN in the Women's Singles - Cl 4 Gold Medal Match at the Riocentro - Pavilion 3. The Paralympic Games, Rio de Janeiro, Brazil , Monday 12th September 2016. Photo: Thomas Lovelock for OIS/IOC. Handout image supplied by OIS/IOC