© Licensed to London News Pictures. 20/08/2019. ST ALBANS, UK.  Sunflowers on a dry day at Pop-Up Farm, a family run and family friendly farm that welcomes thousands of visitors each year at a series of pop-up farming festivals.  The forecast is for the temperatures to warm up ahead of the August Bank Holiday Weekend. Pop-Up Farm is the vision of Ian and Gillian Pigott who are passionate about farming, education and the environment. The Pigott family have been farming in Hertfordshire for many generations.  Photo credit: Stephen Chung/LNP