Utilize the input text as a context reference, choose the right relationship between Lonmin and London from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Depressed platinum prices and bearish broker notes dragged shares in Lonmin Group to its lowest level since listing on the London Stock Exchange (Other OTC: LDNXF - news ) in 1982.

Answer: headquarters_location