snow on a wooden windowsill

1600 × 1000

Power Shift '09 protest poster

3300 × 5100

Protest sign with ironic message

1280 × 800

Protesters with ironic sign

1035 × 700

Protesters with ironic sign

1280 × 800

Protesters with ironic sign

1440 × 974

Protest against Vietnam War

2692 × 4048

Tree wearing 'Vote Earth' shirt

1024 × 679

Ski resort on a sunny day

1200 × 800

Skier on Snowy Slope — White, Active

1600 × 1200

Ski lift over snowy mountains

2816 × 2112

Deforestation protest on river

1300 × 947