The South Downs - The Seven Sisters Walk (S01E05)

Title: The South Downs - The Seven Sisters Walk Plot: In East Sussex, seasoned hiker Julia embarks on a journey starting from the quaint village of East Dean, traversing one of the longest pristine coastlines along the southern shores, which is vanishing at a staggering rate of nearly a meter annually. Throughout her three-hour trek, she uncovers the fascinating social history of the coastal community of Birling Gap, delves into the enigma surrounding Sherlock Holmes' retirement, and learns about the relocation of a lighthouse, which had to be moved 17 meters away from the perilous cliff edge.