Tree of Lights marking 40th year As the Tree of Lights marks its 40th anniversary this fall, this Monday’s program in Rossmoor will be the first in a series of ceremonies that memorialize friends and loved ones who have died. Rossmoor’s Tree of Lights ceremony is sponsored by Hospice East Bay and Friends of Hospice Rossmoor, the latter a Rossmoor club. Proceeds from this fundraising event,