Cows wade through a flooded field following heavy rains in the southern New South Wales town of Wagga Wagga, Australia, October 2, 2016. REUTERS/Jason Reed

Cows wade through a flooded field following heavy rains in the southern New South Wales town of Wagga Wagga, Australia October 2, 2016. REUTERS/Jason Reed

Cows graze alongside a flooded field following heavy rains in the southern New South Wales town of Wagga Wagga, Australia October 2, 2016. REUTERS/Jason Reed

Red clouds are reflected over flood waters at sunset in Wagga Wagga, some 380 km (236 miles) southwest of Sydney March 7, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

The sun sets over flood waters in Wagga Wagga, some 380 km (236 miles) southwest of Sydney March 7, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

A spider is seen on a fence covered with spiderwebs near to flood waters in Wagga Wagga, about 380 km (236 miles) southwest of Sydney March 7, 2012. Thousands of spiders have cast eerie webs over vast areas of flood-hit Australia after being forced to seek shelter by the rising waters. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ANIMALS DISASTER ENVIRONMENT)

A spider is seen on top of a barber wire covered with spiderwebs near to flood waters in Wagga Wagga, about 380 km (236 miles) southwest of Sydney March 7, 2012. Thousands of spiders have cast eerie webs over vast areas of flood-hit Australia after being forced to seek shelter by the rising waters. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ANIMALS DISASTER ENVIRONMENT)

Wild plants are covered with spiderwebs near to flood waters in Wagga Wagga, about 380 km (236 miles) southwest of Sydney March 7, 2012. Thousands of spiders have cast eerie webs over vast areas of flood-hit Australia after being forced to seek shelter by the rising waters. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ANIMALS DISASTER ENVIRONMENT)

A wild plant is covered with spiderwebs near to flood waters in Wagga Wagga, about 380 km (236 miles) southwest of Sydney March 7, 2012. Thousands of spiders have cast eerie webs over vast areas of flood-hit Australia after being forced to seek shelter by the rising waters. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ANIMALS DISASTER ENVIRONMENT)

A man throws wet carbon after being affected by flood waters in Wagga Wagga, about 380km (236 miles) south west of Sydney, March 7, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

A man disposes a rug after being affected by flood waters in Wagga Wagga, about 380km (236 miles) south west of Sydney, March 7, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

A policeman waits for a boat which violated the ban of navigating towards North Wagga in Wagga Wagga, about 380km (236 miles) south west of Sydney, March 7, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

Residents of North Wagga board a boat on a flooded road in Wagga Wagga, about 380km (236 miles) south west of Sydney, March 7, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

A rescue helicopter flies over an area of North Wagga inundated by floodwaters, about 380km (236 miles) south west of Sydney March 7, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Andrew Meares/Pool (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

Floodwaters inundate North Wagga, about 380km (236 miles) southwest of Sydney, March 7, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Andrew Meares/Pool (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

Floodwaters inundate the North Wagga Public Hall in Wagga Wagga, about 380km (236 miles) southwest of Sydney March 7, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Andrew Meares/Pool (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

Australia's Prime Minister Julia Gillard views the flooded landscape around Wagga Wagga from a helicopter, about 380km (236 miles) southwest of Sydney, March 7, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Andrew Meares/Pool (AUSTRALIA - Tags: DISASTER POLITICS ENVIRONMENT)

Australia's Prime Minister Julia Gillard views the flooded landscape around Wagga Wagga from a helicopter, about 380km (236 miles) southwest of Sydney, March 7, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Andrew Meares/Pool (AUSTRALIA - Tags: DISASTER POLITICS ENVIRONMENT)

Australian Prime Minister Julia Gillard talks to emergency services personnel in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

An emergency service worker walks along a boat at a flooded road near Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

An emergency service worker leaves a flooded road near Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

Emergency personnel rest on sand bags at State Emergency Services headquarters in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

Australian Prime Minister Julia Gillard boards a helicopter to fly over flooded areas in Wagga Wagga region March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT POLITICS)

Australian Prime Minister Julia Gillard listens to Federal Member for Riverina Michael McCormack as they walk over the Murrumbidgee river in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT POLITICS)

A cyclist rides next to a road submerged in flood waters in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

Wild plants are covered in spiderwebs, formed as spiders escape from flood waters, in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT ANIMALS)

Wild plants are covered in spiderwebs, formed as spiders escape from flood waters, in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ANIMALS DISASTER ENVIRONMENT)

Wild plants are covered in spiderwebs, formed as spiders escape from flood waters, in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ANIMALS DISASTER ENVIRONMENT)

A couple rides near a road submerged in flood waters in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

A woman walk her dogs next to flood waters in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ANIMALS DISASTER ENVIRONMENT)

A woman walk her dogs next to flood waters in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ANIMALS DISASTER ENVIRONMENT)

A couple chat next to a road submerged in flood waters in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

A couple take pictures of a road submerged in flood waters in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

A woman walks her dogs through spiderwebs, formed as spiders escape from flood waters, in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ANIMALS DISASTER ENVIRONMENT)

Wild plants are covered in spiderwebs, formed as spiders escape from flood waters, in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ANIMALS DISASTER ENVIRONMENT)

Wild plants are covered in spiderwebs, formed as spiders escape from flood waters, in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ANIMALS DISASTER ENVIRONMENT)

A wild plant is covered in spiderwebs, formed as spiders escape from flood waters, in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ANIMALS DISASTER ENVIRONMENT)

Wild plants are covered in spiderwebs, formed as spiders escape from flood waters, in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ANIMALS DISASTER ENVIRONMENT)

A barbed fence is covered in spiderwebs, formed as spiders escape from flood waters, in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ANIMALS DISASTER ENVIRONMENT)

A barbed fence is covered in spiderwebs, formed as spiders escape from flood waters, in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT ANIMALS)

Wild plants are covered in spiderwebs, formed as spiders escape from flood waters, in Wagga Wagga March 7, 2012. The Murrumbidgee river is slowly receding after reaching 10.56 m (34 feet) on March 6. Emergency services lifted the evacuation order for Wagga Wagga's central business district (CBD) but it remains in place for several towns across the region. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT ANIMALS TPX IMAGES OF THE DAY)

Spiders are seen in their webs spun round dry sticks on a bush next to flood waters in Wagga Wagga March 6, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT TPX IMAGES OF THE DAY)

A dog walks through spiderwebs next to flood waters in Wagga Wagga March 6, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER)

A house is surrounded by spiderwebs next to flood waters in Wagga Wagga March 6, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER)

A house is surrounded by spiderwebs next to flood waters in Wagga Wagga March 6, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

A local boy plays next to a road submerged in flood waters near Wagga Wagga March 6, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT TPX IMAGES OF THE DAY)

A local plays in a road submerged in flood waters near Wagga Wagga March 6, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

Local residents look at a road submerged in flood waters near Wagga Wagga March 6, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

A man drives a boat on a road submerged in flood waters near Wagga Wagga March 6, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

A woman looks out from her house surrounded by flood waters in Wagga Wagga March 6, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER)

A woman looks out from her house surrounded by flood waters in Wagga Wagga March 6, 2012. Floods across eastern Australia forced more than 13,000 people to evacuate their homes on Tuesday after record-high summer rains drenched three states over the past week, swelling rivers and forcing dams to overflow. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

Locals load sandbags into a truck to protect their properties from flood waters in Wagga Wagga March 6, 2012. More than 9,000 people have been forced to evacuate as the Australian Bureau of Meteorology predicted major flooding in the Wagga Wagga region as the Murrumbidgee River is set to peak by midday on March 6. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

Locals load sandbags into a truck to protect their properties from flood waters in Wagga Wagga March 6, 2012. More than 9,000 people have been forced to evacuate as the Australian Bureau of Meteorology predicted major flooding in the Wagga Wagga region as the Murrumbidgee River is set to peak by midday on March 6. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT SOCIETY)

Locals fill bags with sand to protect their properties from flood waters in Wagga Wagga March 6, 2012. More than 9,000 people have been forced to evacuate as the Australian Bureau of Meteorology predicted major flooding in the Wagga Wagga region as the Murrumbidgee River is set to peak by midday on March 6. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT SOCIETY)

Locals wait for a truck to load sandbags in Wagga Wagga March 6, 2012. More than 9,000 people have been forced to evacuate as the Australian Bureau of Meteorology predicted major flooding in the Wagga Wagga region as the Murrumbidgee River is set to peak by midday on March 6. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT SOCIETY)

Emergency workers look at a ambulance helicopter as it takes off in Wagga Wagga March 6, 2012. More than 9,000 people have been forced to evacuate as the Australian Bureau of Meteorology predicted major flooding in the Wagga Wagga region as the Murrumbidgee River is set to peak by midday on March 6. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT SOCIETY TRANSPORT)

Local residents load sandbags into a truck in Wagga Wagga March 6, 2012. More than 9,000 people have been forced to evacuate as the Australian Bureau of Meteorology predicted major flooding in the Wagga Wagga region as the Murrumbidgee River is set to peak by midday on March 6. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT SOCIETY)

A local boy loads sandbags to a truck in Wagga Wagga March 6, 2012. More than 9,000 people have been forced to evacuate as the Australian Bureau of Meteorology predicted major flooding in the Wagga Wagga region as the Murrumbidgee River is set to peak by midday on March 6. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT SOCIETY)

Parts of North Wagga neighbourhood are seen partially submerged in flood waters in Wagga Wagga March 6, 2012. More than 9,000 people have been forced to evacuate as the Australian Bureau of Meteorology predicted major flooding in the Wagga Wagga region as the Murrumbidgee River is set to peak by midday on March 6. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)

Parts of North Wagga neighbourhood are seen partially submerged in flood waters in Wagga Wagga March 6, 2012. More than 9,000 people have been forced to evacuate as the Australian Bureau of Meteorology predicted major flooding in the Wagga Wagga region as the Murrumbidgee River is set to peak by midday on March 6. REUTERS/Daniel Munoz (AUSTRALIA - Tags: DISASTER ENVIRONMENT)