The morning after Prime Minister Boris Johnson announced his governments Plan-B, a new set of Covid restrictions directed at slowing down the spread of the Omicron variant, city workers walk through the City of London, the capitals financial district, which has in recent months become much busier as workers returned to their offices after working from home, on 9th December 2021, in London, England. Plan-B includes the rule that workers should once again work from home if possible, effective from next Monday, 13th December.