A family visiting a popular Kent beach say their trip to the coast was ruined after having to “wade through a waterfall of effluent” pouring out of nearby public toilets. Grim pictures show the overflow “cascading down the steps” leading to Broadstairs’ Botany Bay, which holds coveted Blue Flag status and is famous for its golden sand and white chalk stacks. There have long beencalls to upgrade the “inadequate” facilities just off Marine Drive, but holidaymaker Angela Abrahams says something needs to be done as soon as possible, likening the scene to “a third-world country”. Mrs Abrahams, from…