Chinese company clones celebrity dog and other tech news

BBC Click’s Dan Simmons looks at the best of the week’s technology news stories including:

• Elon Musk unveils a prototype underground tunnel designed to transport cars at high speed around the city

• A former Nasa engineer builds a glitter bomb trap to trick thieves after parcels were stolen from his doorstep

• A dog who has starred in numerous Chinese film and television productions is cloned

See more at Click’s website and @BBCClick.