Complex sentence: The third was the Canadian cyclist Louis Garneau, who did the same thing ten years later, for a photograph with the Queen at Rideau Hall; the Queen appeared to take no offence at Garneau's action.
Split into simpler sentences: The third was the Canadian cyclist Louis Garneau, who did the same thing ten years later, for a photograph with the Queen. The Queen appeared to take no offence at Garneau's action.