Utilize the input text as a context reference, choose the right relationship between Land Securities 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.

Fears over falling foreign investment appetite for London commercial property have hurt shares in Land Securities (LSE: LAND).

Answer: headquarters_location