LOCH NESS, Scotland (Reuters) - Hundreds of hopeful volunteers joined a two-day hunt for Scotland's fabled Loch Ness monster on Saturday and Sunday, in what organisers described as the biggest search for the elusive "Nessie" in more than 50 years. The Loch Ness Centre, which partnered with voluntary research team Loch Ness Exploration to organise "The Quest", said they would be using surveying equipment that had not previously been tried at the loch, including thermal drones. Volunteers from around the world were allocated locations around the 23-mile (37-km) long lake from which to monitor fo...