11. SUMMARY DEFINING RELATIVE CLAUSES NON-DEFINING RELATIVE CLAUSE WHO AND THAT REFER TO PEOPLE There are many holidaymakers who / that prefer travelling in their own country WHO REFERS TO PEOPLE In the past some people, who were rich, used to visit battlefields. WHICH AND THAT REFER TO OBJECTS / THINGS Dark tourism is a phenomenon which / that is attracting many people WHICH REFERS TO THINGS He sent me flowers, which was very nice of him. WHEN REFERS TO A MOMENT IN TIME It was in 1986 when the Chernobyl disaster took place. WHEN REFERS TO A MOMENT IN TIME I went to Italy last year, when I enjoyed a lot. WHERE REFERS TO A PARTICULAR PLACE Many people visit places where tragedies have happened. WHERE REFERS TO A PARTICULAR PLACE They visited Iniesta, where they had a great time. WHOSE REFERS TO POSSESSION Dr Barrett is a researcher whose studey of dark tourism has just been completed. WHOSE REFERS TO POSSESSION Dalí, whose pictures are wonderful, painted this one.