Gateway Arch lit up in pink for Breast Cancer Awareness Month

The Gateway Arch is lit in pink in St. Louis as seen from East St. Louis, Illinois on October 5, 2012. UPI/Bill Greenblatt

The Gateway Arch is lit in pink in St. Louis as seen from East St. Louis, Illinois on October 5, 2012. The Arch is only seen in pink one night a year to bring attention to Breast Cancer Awarness Month. UPI/Bill Greenblatt

Gateway Arch lit up in pink for Breast Cancer Awareness Month

The Gateway Arch is lit in pink as seen from the grand staircase in St. Louis on October 5, 2012. The Arch is only seen in pink one night a year to bring attention to Breast Cancer Awarness Month. UPI/Bill Greenblatt

Gateway Arch lit up in pink for Breast Cancer Awareness Month

The Gateway Arch is lit in pink asseen from the north leg in St. Louis on October 5, 2012. The Arch is only seen in pink one night a year to bring attention to Breast Cancer Awarness Month. UPI/Bill Greenblatt