Complex sentence: Lower-key services are also held in the United Kingdom, Ireland, but in Turkey large groups of Australians and New Zealanders have began to gather at Anzac Cove, where in 2005 an estimated twenty thousand people attended the service to commemorate the landings.
Split into simpler sentences: Lower-key services are also held in the United Kingdom, Ireland, but in Turkey large groups of Australians and New Zealanders have began to gather at Anzac Cove for the services. Where in 2005 an estimated twenty thousand people attended the service to commemorate the landings.