 Approximately 600 Chinese engineers and laborers took part in this project, and it was inaugurated in March 2011, with a match between the national teams of Costa Rica and China.Costa Rica finished a term on the United Nations Security Council, having been elected for a nonrenewable, two-year term in the 2007 election.Its term expired on 31 December 2009; this was Costa Rica's third time on the Security Council.