From its origins in 1980s Taiwan to today's global craze, bubble tea or boba, has come a long way. Ask people under the age of 40 anywhere in the world whether they have ever tried the milky tea ...

Bubble tea is booming in Britain, with a Taiwanese chain planning to open 500 new branches across the UK to capitalise on the trend. The drink, also called boba tea, originated in Taiwan in the 1980s.