Ghana have arrived in London Wednesday ahead of the final dress rehearsal against Latvia on Saturday.The Black Stars Tuesday completed the first of two trial matches ahead of the World Cup finals in South Africa with a 4-1 defeat to the Netherlands in Rotterdam.The team, a day after the match against the Dutch side are turning their sights on the up-coming game at the Stadium MK in Milton Keynes.Saturday's game against Latvia will round up Ghana's preparations before the Black Stars head to South Africa.Milovan Rajevac who plans to use his full squad over the two games has tasked his side to gear up towards the World Cup.The Black Stars will begin their World Cup campaign on 13 June against Serbia at the Loftus Versfeld Stadium in Tshwane/Pretoria.After the opening game against Serbia, Ghana will face Australia and Germany.Source: Ghanafa.org