About three decades ago, China was known as the 'Bicycle Kingdom'. But the two-wheeled mode of transport's popularity began to fade, with many bikes soon replaced by their fuel-powered competitors. But recent months have seen a revival of the humble bike across China, with an increasing number of people choosing cycling instead of driving to schools, to workplaces or to do sightseeing. The introduction of bikesharing schemes, pioneered by start-ups like Ofo and Mobike, has brought the trend to a new level.