The peoples of the world will be spotlighted as Cal Lutheran University hosts "Mosaic: A Celebration of Cultures" for an all-day affair at Kingsmen Park. A rich array of multiethnic foods, crafts, music, dance, lectures, films and exhibitions will be offered from 10 a.m. to 4 p.m. An international buffet lunch will be served from 11 a.m. to 1:30 p.m. The lunch is $7 for adults, $4 for children 10 and under. Admission is free. The campus is at 60 W. Olsen Road, Thousand Oaks. Information: 493-3302.