People ride bicycles in Halloween costumes during “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. “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)





People ride bicycles during “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. (Photo by Stephanie Keith/Reuters)





People ride bicycles during “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. (Photo by Stephanie Keith/Reuters)





People ride bicycles in Halloween costumes during “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. (Photo by Stephanie Keith/Reuters)





People ride bicycles in Halloween costumes during “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. (Photo by Stephanie Keith/Reuters)





People in Halloween costumes participate in “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. (Photo by Stephanie Keith/Reuters)





People ride bicycles in Halloween costumes during “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. (Photo by Stephanie Keith/Reuters)





A person wearing a Halloween costume participates in “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. (Photo by Stephanie Keith/Reuters)





People ride bicycles in Halloween costumes during “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. (Photo by Stephanie Keith/Reuters)





A woman wearing a Halloween costume participates in “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. (Photo by Stephanie Keith/Reuters)





People wearing Halloween costumes participate in “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. (Photo by Stephanie Keith/Reuters)





People ride bicycles in Halloween costumes during “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. (Photo by Stephanie Keith/Reuters)





People ride bicycles in Halloween costumes during “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. (Photo by Stephanie Keith/Reuters)





People ride bicycles in Halloween costumes during “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. (Photo by Stephanie Keith/Reuters)





People watch a bike jousting event during “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. (Photo by Stephanie Keith/Reuters)





People participate in a bike jousting event during “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. (Photo by Stephanie Keith/Reuters)





People participate in a bike jousting event during “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. (Photo by Stephanie Keith/Reuters)





People participate in a bike jousting event during “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. (Photo by Stephanie Keith/Reuters)





People watch a bike jousting event during “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. (Photo by Stephanie Keith/Reuters)