Complex sentence: In other ways the culture of the British diaspora derives from British and other ancestry; afternoon tea-in fact, tea at any time of day-is still widespread as are pastimes such as gardening and reading.
Split into simpler sentences: In other ways, the culture of the British diaspora derives from British and other ancestry. Afternoon tea--in fact, tea at any time of day--is still widespread as are pastimes such as gardening and reading.