The queen , Prince , and Prince visit Baker Street station . The royals will also meet with representatives of the Railway Children charity , which works to help vulnerable children who live alone and at risk on the streets . Their visit is part of celebrations to mark 150 years of the London Underground . They will see a restored underground passenger carriage dating back to 1892 .
The queen , Prince , and Prince visit Baker Street station . Their visit is part of celebrations to mark 150 years of the London Underground . They will see a restored underground passenger carriage dating back to 1892 .