Futebol!:What are those flashes in the cruzeiro match at the 60m?

What does that mean? If it means something

Submitted July 30, 2019 at 06:50PM by klucalabresi https://www.reddit.com/r/futebol/comments/ck09c9/what_are_those_flashes_in_the_cruzeiro_match_at/?utm_source=ifttt