Beehives installed in Fairmont Hotel's culinary garden

There was a lot of buzz surrounding San Francisco's Fairmont Hotel Thursday when four beehives were installed in the hotel's new culinary garden.

It is designed to support the bee population which has decreased in number by 90 percent since the 1980s.

Beekeepers say each hive contains approximately 20,000 bees. When matured, each hive will house up to 50,000 bees.

The homegrown honey will be served to the hotel guests.