Just a regular lemon, until it's not! See how these lemons from southwest China's Chongqing embark on an epic journey by land and sea to reach over ...

It is a preserved-lemon and liquorice snack - the Lemon King - and the man who has sold them since the 1970s in Sheung Wan. The snacks that the former hawker Tong Kan-pui, now 84, first started ...