A teenage boy has risked his life by posing for a photo on the edge of a crumbling 150ft seaside cliff. However, despite the imminent danger, a teenage boy was spotted standing perilously near to the cliff edge. In harrowing pictures, the boy - accompanied by a girl - can be seen uncomfortably close to the 150ft drop to the beach below. East Sussex County Council has issued a warning to visitors that the cliffs are extremely unstable. 'Despite warning signs, people often stand near the edge.