Igicuruzwa cy'Ubuhanzi bw'Ikirahuri Proof of Rain ni igishushanyo cy'ubuhanzi bw'ikirahuri cya kijyambere gishingiye ku mvura. Uyu murimo ukozwe mu kirahuri cyacuzwe gishyushye mu bara ry'ubururu butandukanye. Utuzenge duto, twacuzwe binyuze mu buhanga bw'umuriro hakoreshejwe uburyo bwo gutera imvange igenzuwe, dushushanya amatonyo y'imvura. Igishushanyo cyafuzwe mu bururu kiri munsi y'utwo tuzenge gishushanya isaranganya ry'ubunararibonye bw'ubuzima. Iki gishushanyo kingana na milimetero 380 ku 200 ku 450. Proof of Rain igaragazwa nk'igishushanyo kimeze nk'inyubako idahinduka, kandi urumuri rugaragaza ubujyakuzimu n'imigaragarize y'ikirahuri. Intego ni ugusanisha ibidukikije n'ubuhanga mu gishushanyo kimwe.

Izina ry'umushinga : Proof of Rain, Izina ryabashushanya : Derya Geylani Vuruşan, Izina ry'abakiriya : Derya Geylani.

Ibishushanyo mbonera ni ibyamamare bizwi cyane bituma Isi yacu iba nziza hamwe nibishusho byabo byiza. Menya abashushanya ibyamamare nibikorwa byabo bishya, ibihangano byumwimerere, ubwubatsi bwo guhanga, imiterere yimyambarire idasanzwe hamwe nuburyo bwo gushushanya. Ishimire kandi ushishoze ibikorwa byumwimerere byabashushanyo batsindiye ibihembo, abahanzi, abubatsi, abashya nibirango kwisi yose. Shishikarizwa n'ibishushanyo mbonera.