Ultimate pub crawl: Scientists have come up with three-year trek across the UK places MAPPED: Pub crawls usually take a few hours at most but this one takes three whole years. Share: Email ThisBlogThis!Share to XShare to Facebook Related Posts:Last minute cruise deal 2017: P&O slashes price to CaribbeanCheap flights: Ryanair SLASHES fares for 2017 holidays and prices start as low as £4.99Low-cost airline EasyJet focuses on recruiting FEMALE pilotsLast minute cruise deal 2017: P&O slashes price to CaribbeanCheap flights: Ryanair SLASHES fares for 2017 holidays and prices start as low as £4.99