British Labour Party leader Jeremy Corbyn (C) makes a speech during the launch of the party's election manifesto in Birmingham, Britain, on Nov. 21, 2019. The United Kingdom's (UK) main opposition Labour Party launched its election manifesto on Thursday that promises to ensure that higher earners pay more tax and to introduce a new second homes tax. (Photo by Ray Tang/Xinhua)

British Labour Party leader Jeremy Corbyn gestures during the launch of the party's election manifesto in Birmingham, Britain, on Nov. 21, 2019. The United Kingdom's (UK) main opposition Labour Party launched its election manifesto on Thursday that promises to ensure that higher earners pay more tax and to introduce a new second homes tax. (Photo by Ray Tang/Xinhua)

British Labour Party leader Jeremy Corbyn holds a copy of the party's election manifesto during its launch in Birmingham, Britain, on Nov. 21, 2019. The United Kingdom's (UK) main opposition Labour Party launched its election manifesto on Thursday that promises to ensure that higher earners pay more tax and to introduce a new second homes tax. (Photo by Ray Tang/Xinhua)

British Labour Party leader Jeremy Corbyn holds a copy of the party's election manifesto during its launch in Birmingham, Britain, on Nov. 21, 2019. The United Kingdom's (UK) main opposition Labour Party launched its election manifesto on Thursday that promises to ensure that higher earners pay more tax and to introduce a new second homes tax. (Photo by Ray Tang/Xinhua)

British Labour Party leader Jeremy Corbyn (Front) holds a copy of the party's election manifesto during its launch in Birmingham, Britain, on Nov. 21, 2019. The United Kingdom's (UK) main opposition Labour Party launched its election manifesto on Thursday that promises to ensure that higher earners pay more tax and to introduce a new second homes tax. (Photo by Ray Tang/Xinhua)

British Labour Party leader Jeremy Corbyn poses for photos during the launch of the party's election manifesto in Birmingham, Britain, on Nov. 21, 2019. The United Kingdom's (UK) main opposition Labour Party launched its election manifesto on Thursday that promises to ensure that higher earners pay more tax and to introduce a new second homes tax. (Photo by Ray Tang/Xinhua)