London ready to go 24 hours | CNBC International

London is finally joining the ranks of the world's 24 hour cities after deciding to run its underground network overnight during the weekend. It could provide a huge economic boost to the city. ----- Subscribe to CNBC International: http://bit.ly/1eiWsDq Like our Facebook page   / cnbcinternational   Follow us on Instagram @cnbcinternational Follow us on Twitter   / cnbci   Subscribe to our WeChat broadcast CNBC_international