Phostara Problue Annual Posters ke letoto la diphostara tse hatisitsoeng tse entsoeng bakeng sa mofuta oa ho qoela metsing. Phostara e 'ngoe le e' ngoe e bontša mmotlolo a le mong a apere liaparo tse ntle tsa toropong hammoho le sutu ea ho qoela metsing, kahoo phetoho pakeng tsa bophelo ba letsatsi le letsatsi le ho qoela metsing e bonahatsoa. Boputsoa bo botšo bo sebelisoa monneng bakeng sa botle, 'me bofubelu bo sebelisoa mofumahali. Maqhaqha a poqollo a bua ka motsamao oa bophelo ba toropong. Liphapang li hlophisitsoe ka boomo, joalo ka lebelo le ho eme, liaparo tsa letsatsi le letsatsi le sutu ea ho qoela metsing, ho boreledi le bohale. Phostara e 'ngoe le e' ngoe e lekana le limilimithara tse 420 ka tse 594.