 Complete the following phrase:  Series 21 of Top Gear, a British motoring magazine and factual television programme, was broadcast in the United Kingdom on BBC Two during 2014, consisting of five episodes between 2 February and 2 March; production on the series was confirmed via Twitter in 2013, with a teaser trailer released on the BBCs YouTube channel in January 2014. This series highlights included the presenters looking back at hatchbacks that were available during their youth, a look at the British military vehicles used in Afghanistan, and a road trip across Ukraine that included a visit to 