To keep fit, the club is holding separate training sessions of not more than five players each at different locations while beefing up its squad in readiness for continental football and defending their crown.
Artists from across China were allowed to put their paper-cutting works on show. During Sunday night, a concert that was accompanied by a light display was held to perform some Beijing 2022 promotional musics on the Great Wall.
As expected, head coach Tite also called up Paris Saint-Germain pair Neymar and Marquinhos, Chelsea veteran Thiago Silva, Real Madrid midfielder Casemiro and Barcelona's Philippe Coutinho.
Flamengo remain second in the group with six points from three matches but with a negative goal difference.
The 37-year-old was among 26 players summoned by head coach Gerardo Martino for the Tricolor's first fixtures of the year, which will be preceded by a five day training camp starting Saturday.
Meanwhile, FIFA president Gianni Infantino restated FIFA's support for the football community during the crisis.
Bellingham, Reyna, Brazilian Reinier, the young superstars Jadon Sancho and goal-monster Erling Haaland (both 20), wonderboy Youssoufa Moukoko (15) all offer pace and fearlessness.
The Rubro-Negro won their opening two matches of South America's premier club competition before it was halted in March because of the coronavirus pandemic.
"This is our last friendly and it is a good test because we are playing a La Liga side and it will allow us to see how we are physically and also in terms of our football and quality," he said in a press conference.
Will Schalke 04 and Werder Bremen experience a change around after both fallen giants only narrowly survived a terrible last season?
Guoan went ahead before the interval as Cedric Bakambu headed home a cross from Augusto. Substitute Alan Douglas scored in the 88th minute to extended Guoan's lead to 3-1, but Hebei's Zhang Chengdong sparked the game into suspense with a powerful shot in the second minute of stoppage.