GAZA CITY, GAZA STRIP- 30 MARCH- 2007:Palestinian Prime Minister Ismail Haniyeh from Hamas waves to supporters after prayers at a mosque in Gaza City, Friday, March 30, 2007. Israeli Prime Minister Ehud Olmert hailed a new peace initiative from Arab states as representing a 'revolutionary change' but repeated Israel's opposition to any return of Palestinian refugees in a series of newspaper interviews published Friday.photo by Ahmad Khateib/ Flash90

GAZA CITY, GAZA STRIP- 30 MARCH- 2007:A Palestinian member of the Popular Resistance Committees attends a rally in Gaza. (photo by Ahmad Khateib/ Flash90

GAZA CITY, GAZA STRIP- 30 MARCH- 2007: Palestinian membesr of the Popular Resistance Committees attend a rally in Gaza. (photo by Ahmad Khateib/ Flash90

A Thai worker working in a flower field in Hefer Valley on March 30, 2007. Photo by Gili Yaari / Flash 90.

Thai workers working in a flower field in Hefer Valley on March 30, 2007. Photo by Gili Yaari / Flash 90.

A wheat field in a farm in Hefer Valley on March 30, 2007. Photo by Gili Yaari / Flash 90

A wheat field in a farm in Hefer Valley on March 30, 2007. Photo by Gili Yaari / Flash 90. F070330GY18

Two men ride horses on the bank of Alexander Strem in Hefer Valley on March 30, 2007. Photo by Gili Yaari / Flash 90.

A man rides his bicycle near a wheat field in Hefer Valley on March 30, 2007. Photo by Gili Yaari / Flash 90.

Hamas supporters participate in a rally marking the third anniversary of the killing of Hamas spiritual leader Sheik Ahmed Yassin, in the West Bank City of Nablus, Friday 30 March 2007.Photo by Haytham Ashtiyeh /Flash90

Hamas supporters participate in a rally marking the third anniversary of the killing of Hamas spiritual leader Sheik Ahmed Yassin, in the West Bank City of Nablus, Friday 30 March 2007.Photo by Haytham Ashtiyeh /Flash90

Israeli Prime Minister Ehud Olmert gets a phone call in his official residence in Jerusalem 27 March 2007. Olmert opened his house to the press as he prepared to give traditional pre-Passover interviews to the Israeli media. Photo by Yossi Zamir/Flash 90

Israeli Prime Minister Ehud Olmert examines the clementine trees growing the garden of his official residence March 27, 2007 in Jerusalem. Olmert opened his house to the press as he prepared to give tradition pre-Passover interviews to the Israeli media. Photo by Yossi Zamir/Flash 90

Israeli Prime Minister Ehud Olmert in his official residence in Jerusalem 27 March 2007. Olmert opened his house to the press as he prepared to give traditional pre-Passover interviews to the Israeli media. Photo by Yossi Zamir/Flash 90

Israeli Prime Minister Ehud Olmert in his official residence in Jerusalem 27 March 2007. Olmert opened his house to the press as he prepared to give traditional pre-Passover interviews to the Israeli media. Photo by Yossi Zamir/Flash 90

Israeli Prime Minister Ehud Olmert put his jacket on in his official residence in Jerusalem 27 March 2007. Olmert opened his house to the press as he prepared to give traditional pre-Passover interviews to the Israeli media. Photo by Yossi Zamir/Flash 90

Na´ama, 10 month old chimpanzee, living with a caregiver until she can join the rest of the group at the zoo, Jerusalem,March 29, 2007. Chimpanzees are very intelligent great apes that are closely related to humans. They live in a variety of environments in western and central Africa. Chimps live in small, stable groups (called communities or unit groups) of about 40-60 chimps. They are an endangered species, since the forests they live in are cut down and used for farmland.Photo by Yossi Zamir / Flash90

Na´ama, 10 month old chimpanzee, living with a caregiver until she can join the rest of the group at the zoo, Jerusalem,March 29, 2007. Chimpanzees are very intelligent great apes that are closely related to humans. They live in a variety of environments in western and central Africa. Chimps live in small, stable groups (called communities or unit groups) of about 40-60 chimps. They are an endangered species, since the forests they live in are cut down and used for farmland.Photo by Yossi Zamir / Flash90

Na´ama, 10 month old chimpanzee, living with a caregiver until she can join the rest of the group at the zoo, Jerusalem,March 29, 2007. Chimpanzees are very intelligent great apes that are closely related to humans. They live in a variety of environments in western and central Africa. Chimps live in small, stable groups (called communities or unit groups) of about 40-60 chimps. They are an endangered species, since the forests they live in are cut down and used for farmland.Photo by Yossi Zamir / Flash90

Bee sucks nectar from a flower, March 30, 2007. Photo by Haim Shohat/Flash90.

Musicians play in Covent Garden, London, England on 30 March, 2007. Photo by Rebecca Zeffert/Flash90.