After washing that thick, sturdy, crystalline glass jelly jar, it's just too hard to throw it away or recycle it. Into the kitchen cupboard it goes, joining the 20-odd other jars you've collected ...

Lee Hiu Wai, the assistant curator at the Hong Kong Heritage Discovery Center, introduces a greenish yellow glazed porcelain jar with ... out in glass cases tell the story of the ancient merchant ...

Image caption, Ancient Greek ruins of the Temple of Apollo ... That's why many Greeks sailed off to find new lands to settle. This water jar from around 500BC shows a 'fountain-house'.