People take part in Hempfest in Seattle. The annual event is the nation's largest marijuana festival.

People take part in Hempfest in Seattle. The annual event is the nation's largest marijuana festival.

Henry Hemp checks out a service pig during Hempfest in Seattle. The annual event is the nation's largest marijuana festival.

People smoke a large joint during Hempfest in Seattle. The annual event is the world's largest annual gathering advocating decriminalization of marijuana.

People smoke a large joint during Hempfest in Seattle. The annual event is the world's largest annual gathering advocating decriminalization of marijuana.

People take part in Hempfest in Seattle. The annual event is the nation's largest marijuana festival.

People take part in Hempfest in Seattle. The annual event is the nation's largest marijuana festival.

People take part in Hempfest in Seattle. The annual event is the nation's largest marijuana festival.

People take part in Hempfest in Seattle. The annual event is the nation's largest marijuana festival.