World's oldest subway turns 150

A newly restored steam engine built in 1898, known as Met Locomotive No. 1, arrives at Moorgate station in a recreation of the first London Underground journey on Jan. 13, 2013, in London. The London Underground celebrates its 150th birthday this month, the Metropolitan line being the first stretch between Paddington and Farringdon stations.

Actresses in period costume pose by the first class carriages pulled by a restored steam engine built in 1898, known as Met Locomotive No. 1, after it arrives at Moorgate station in a recreation of the first London Underground journey on Jan. 13, 2013, in London.

The Mayor Of London Boris Johnson poses for the media in the cab of a restored 1898 steam engine, known as Met Locomotive No. 1, after it arrives at Moorgate station in a recreation of the first London Underground journey on Jan. 13, 2013, in London.

Actresses in period costume pose by the first class carriages pulled by a restored steam engine built in 1898, known as Met Locomotive No. 1, after it arrives at Moorgate station in a recreation of the first London Underground journey on Jan. 13, 2013, in London.

A newly restored steam engine built in 1898, known as Met Locomotive No. 1, arrives at Moorgate station in a recreation of the first London Underground journey on Jan. 13, 2013, in London.

A newly restored steam engine built in 1898, known as Met Locomotive No. 1, departs Baker Street Underground station in a recreation of the first London Underground journey on Jan. 13, 2013, in London.

Howard Carey sits in a first class carriage pulled by a restored steam engine built in 1898, known as Met Locomotive No. 1, after it arrives at Moorgate station in a recreation of the first London Underground journey on Jan. 13, 2013, in London.

Actresses in period costume pose by the first class carriages pulled by a restored steam engine built in 1898, known as Met Locomotive No. 1, after it arrives at Moorgate station in a recreation of the first London Underground journey on Jan. 13, 2013, in London.

A TFL worker takes pictures inside the first class carriages pulled by a restored steam engine built in 1898, known as Met Locomotive No. 1, after it arrives at Moorgate station in a recreation of the first London Underground journey on Jan. 13, 2013, in London.

People take photographs of the newly restored steam engine built in 1898, known as Met Locomotive No. 1, arrive at Baker Street Underground station in a recreation of the first London Underground journey on Jan. 13, 2013, in London.

People wait on the platforms to see the newly restored steam engine built in 1898, known as Met Locomotive No. 1, arrive at Baker Street Underground station in a recreation of the first London Underground journey on Jan. 13, 2013, in London.

Rail enthusiasts wait on the platform to see the newly restored steam engine built in 1898, known as Met Locomotive No. 1, arrive at Baker Street Underground station in a recreation of the first London Underground journey on Jan. 13, 2013, in London.

A passenger smiles as the newly restored steam engine built in 1898, known as Met Locomotive No. 1, arrives at Baker Street Underground station in a recreation of the first London Underground journey on Jan. 13, 2013, in London.