Spain's Busquets: Unity is our strength

MADRID, Nov. 14 (Xinhua) -- Spain's veteran FC Barcelona midfielder Sergio Busquets is on the verge of his fourth World Cup, after 2010 where he helped Spain win their first title, 2014 and 2018.

Now he will once again be a key member of the Spanish midfield in Qatar, despite his age of 34.

"It's been many years in the front line, enduring many things, both in the national team and in the club, passing co