Top photos of the day: Tuesday, September 23, 2014

From the archives:

Donald Trump unveils an artist rendition of his planned Trump Tower on Sept. 23, 2003. | Getty Images

A selection of some of the best photographs from around the world:

President Barack Obama speaks at the United Nations Climate Summit in New York City. The summit, which is meeting one day before the UN General Assembly begins, is bringing together world leaders, scientists and activists looking to curb climate change. | Photo by Andrew Burton/Getty Images

A young Syrian Kurdish refugee enters Turkey at the Yumurtalik crossing gate near Suruc in Turkey. As many as 138,000 Syrian Kurds have poured into Turkey since September 19 fleeing the Islamic State (IS) group offensive in northeastern Syria, according to the UNHCR. | Photo by Stringer/Getty Images

Ramezanpour Mohammad of Iran competes in the Men’s Induvidual All-Around Final during the 2014 Asian Games at Namdong Gymnasium in Incheon, South Korea. | Photo by Chung Sung-Jun/Getty Images

Pamona High School students Ciana Vrtikapa, left, and Tori Suyak engage with passing motorists at an intersection near their school, during a multi-school protest against a school board proposal to emphasize patriotism and downplay civil unrest in the teaching of U.S. history, in Arvada, Colo. Students from several high schools walked out of class Tuesday in the second straight day of protests in Jefferson County. | AP Photo/Brennan Linsley

Marine One lands in New York City with President Barack Obama, who is in New York for the 69th Session of the United Nations General Assembly, to deliver remarks at the Climate Summit at the United Nations in New York City. World leaders, activists and protesters have converged on New York City for the annual UN event that brings together the global leaders for a week of meetings and conferences. This year ‘s General Assembly has highlighted the problem of global warming and how countries need to strive to reduce greenhouse gas emissions. | Photo by Spencer Platt/Getty Images

In this handout image provided by the U.S. Navy, Sailors stand watch on the bridge while Tomahawk cruise missiles are launched aboard the guided-missile cruiser USS Philippine Sea (CG 58) in the Arabian Gulf. | Photo by Mass Communication Specialist 2nd Class Abe McNatt/U.S. Navy via Getty Images

A deer is seen bugling in the morning mist in Richmond Park in London, England. Tuesday marks the autumn equinox where day and night are of equal lengths. | Photo by Rob Stothard/Getty Images