Participants in costume drink beer on the sidelines during "Bike Kill 12" in the Brooklyn borough of New York City, October 31, 2015. "Bike Kill" is an annual gathering of builders and riders of home-made bicycles that culminates in a tall bike jousting competition. (Photo by Stephanie Keith/Reuters)





A man rides a tall bike during "Bike Kill 12" in the Brooklyn borough of New York City, October 31, 2015. (Photo by Stephanie Keith/Reuters)





A man in a mask carries an orange traffic cone during "Bike Kill 12" in the Brooklyn borough of New York City, October 31, 2015. (Photo by Stephanie Keith/Reuters)





A woman with arm tattoos holds a beer during "Bike Kill 12" in the Brooklyn borough of New York City, October 31, 2015. (Photo by Stephanie Keith/Reuters)





A woman rides a custom bike during "Bike Kill 12" in the Brooklyn borough of New York City, October 31, 2015. (Photo by Stephanie Keith/Reuters)





A woman rides a custom bike during "Bike Kill 12" in the Brooklyn borough of New York City, October 31, 2015. (Photo by Stephanie Keith/Reuters)





A participant wears a mask while riding a bike during "Bike Kill 12" in the Brooklyn borough of New York City, October 31, 2015. (Photo by Stephanie Keith/Reuters)





Participants are seen through smoke during "Bike Kill 12" in the Brooklyn borough of New York City, October 31, 2015. (Photo by Stephanie Keith/Reuters)





A man rides a custom bike over a ramp during "Bike Kill 12" in the Brooklyn borough of New York City, October 31, 2015. (Photo by Stephanie Keith/Reuters)





Two men compete in a tall bike jousting event during "Bike Kill 12" in the Brooklyn borough of New York City, October 31, 2015. (Photo by Stephanie Keith/Reuters)





A man rides a tall bike during "Bike Kill 12" in the Brooklyn borough of New York City, October 31, 2015. (Photo by Stephanie Keith/Reuters)





A woman with face paint poses for a photograph during "Bike Kill 12" in the Brooklyn borough of New York City, October 31, 2015. (Photo by Stephanie Keith/Reuters)





A man wearing a Batman costume rides a custom bike during "Bike Kill 12" in the Brooklyn borough of New York City, October 31, 2015. (Photo by Stephanie Keith/Reuters)





Two men compete in a tall bike jousting event during "Bike Kill 12" in the Brooklyn borough of New York City, October 31, 2015. (Photo by Stephanie Keith/Reuters)





A man wears a vest lettered with the name of his bike club during "Bike Kill 12" in the Brooklyn borough of New York City, October 31, 2015. (Photo by Stephanie Keith/Reuters)





A woman rides a custom bike during "Bike Kill 12" in the Brooklyn borough of New York City, October 31, 2015. (Photo by Stephanie Keith/Reuters)