Best Photos of the Day

In this file photo taken on July 22, 2021, aerial view of the Chankillo Solar Observatory near Casma, Peru. Chankillo, the oldest solar observatory in America from between 500 and 200 BC, was placed in the 2021 list of world heritage sites by the United Nations Educational, Scientific and Cultural Organization (UNESCO) Heritage Committee during its 44th session, taking place in Fuzhou, China from July 16 to 31, 2021. Janine Costa / AFP.

Aerial view of the Chankillo Solar Observatory near Casma, Peru, on July 22, 2021. Chankillo, the oldest solar observatory in America from between 500 and 200 BC, is a stone complex that includes a temple, plaza and 13 towers lined from north to south along the crest of a hill. Dedicated to the cult of the Sun, it served to indicate with great accuracy the solstices, equinoxes and a series of dates throughout the year, based on the solar position. Janine Costa / AFP.

Workers transport material during recovery works at the Chankillo Solar Observatory near Casma, Peru, on July 22, 2021. Chankillo, the oldest solar observatory in America from between 500 and 200 BC, is a stone complex that includes a temple, plaza and 13 towers lined from north to south along the crest of a hill. Dedicated to the cult of the Sun, it served to indicate with great accuracy the solstices, equinoxes and a series of dates throughout the year, based on the solar position. Janine Costa / AFP.

Archaelogist in charge Ivan Ghezzi poses during recovery works at the Chankillo Solar Observatory near Casma, Peru, on July 22, 2021. Chankillo, the oldest solar observatory in America from between 500 and 200 BC, is a stone complex that includes a temple, plaza and 13 towers lined from north to south along the crest of a hill. Dedicated to the cult of the Sun, it served to indicate with great accuracy the solstices, equinoxes and a series of dates throughout the year, based on the solar position. Janine Costa / AFP.

Aerial view of the Chankillo Solar Observatory near Casma, Peru, on July 22, 2021. Chankillo, the oldest solar observatory in America from between 500 and 200 BC, is a stone complex that includes a temple, plaza and 13 towers lined from north to south along the crest of a hill. Dedicated to the cult of the Sun, it served to indicate with great accuracy the solstices, equinoxes and a series of dates throughout the year, based on the solar position. Janine Costa / AFP.

Archaelogist in charge Ivan Ghezzi inspects the recovery works at the Chankillo Solar Observatory near Casma, Peru, on July 22, 2021. Chankillo, the oldest solar observatory in America from between 500 and 200 BC, is a stone complex that includes a temple, plaza and 13 towers lined from north to south along the crest of a hill. Dedicated to the cult of the Sun, it served to indicate with great accuracy the solstices, equinoxes and a series of dates throughout the year, based on the solar position. Janine Costa / AFP.

In this file photo taken on July 22, 2021, aerial view of the Chankillo Solar Observatory near Casma, Peru. Chankillo, the oldest solar observatory in America from between 500 and 200 BC, was placed in the 2021 list of world heritage sites by the United Nations Educational, Scientific and Cultural Organization (UNESCO) Heritage Committee during its 44th session, taking place in Fuzhou, China from July 16 to 31, 2021. Janine Costa / AFP.

Aerial view of the Chankillo Solar Observatory in Casma, Peru, on July 22, 2021. Chankillo, the oldest solar observatory in America from between 500 and 200 BC, is a stone complex that includes a temple, plaza and 13 towers lined from north to south along the crest of a hill. Dedicated to the cult of the Sun, it served to indicate with great accuracy the solstices, equinoxes and a series of dates throughout the year, based on the solar position. Janine COSTA / AFP.

The sun is seen behind the Chankillo Solar Observatory near Casma, Peru, on July 22, 2021. Chankillo, the oldest solar observatory in America from between 500 and 200 BC, is a stone complex that includes a temple, plaza and 13 towers lined from north to south along the crest of a hill. Dedicated to the cult of the Sun, it served to indicate with great accuracy the solstices, equinoxes and a series of dates throughout the year, based on the solar position. Janine Costa / AFP.

Aerial view of the Chankillo Solar Observatory near Casma, Peru, on July 22, 2021. Chankillo, the oldest solar observatory in America from between 500 and 200 BC, is a stone complex that includes a temple, plaza and 13 towers lined from north to south along the crest of a hill. Dedicated to the cult of the Sun, it served to indicate with great accuracy the solstices, equinoxes and a series of dates throughout the year, based on the solar position. Janine Costa / AFP.