A tourist takes a picture of Acropolis hill and the ancient Parthenon temple in Athens, on July 4, 2019. Greece’s most famous archaeological site was shut down to visitors for hours because of hot weather in the capital. (AP Photo/Petros Giannakouris)

Thousands of candles are arranged in the shape of the Milky Way to celebrate Tanabata, a Japanese star festival, at Zojoji Buddhist Temple, on July 5, 2019, in Tokyo. (AP Photo/Jae C. Hong)

A flower composition depicting St. Peter is displayed in St.Peter’s Square on the occasion of the feast of St. Peter and St. Paul, the two patron saints of Rome, at the Vatican, on June 29, 2019. (AP Photo/Gregorio Borgia)

A Kashmiri Muslim in white dress, center, in Srinagar, in Indian controlled Kashmir, hugs her relative as she leaves for the holy city of Mecca for the annual Hajj pilgrimage on July 4, 2019. The Hajj pilgrimage, which is one of the five pillars of Islam, attracts around 3 million Muslims worldwide each year. (AP Photo/Dar Yasin)

Hindus participate in the annual festival of Rath Yatra, or chariot procession, in Ahmadabad, India, on July 4, 2019. Three idols of Hindu deities Jagannath, Balabhadra and Subhadra are pulled by thousands of devotees in a grand procession in specially made chariots called raths. (AP Photo/Ajit Solanki)

People pray at the tomb of Rabbi Menachem M. Schneerson in Queens, New York on July 2, 2019. Men and women, young and old, make their way from around the city, the country and the world to this unassuming site to pay their respects to the life and teachings of the revered Jewish leader of the Chabad-Lubavitch movement, who died 25 years ago, in June 1994. (AP Photo/Seth Wenig)

Indians paint decorative motifs on an elephant in preparation of the annual Rath Yatra, or chariot procession, in Ahmadabad, India, on July 3, 2019. The three idols of Hindu God Jagannath, his brother Balabhadra and sister Subhadra are paraded in the streets in a grand procession in specially made chariots called raths pulled by thousands of devotees, during the Rath Yatra. (AP Photo/Ajit Solanki)

A service commemorates 14 crew members killed on a Russian deep-sea research submersible, at Kronshtadt Navy Cathedral outside St.Petersburg, Russia, on July 4, 2019.  (AP Photo/Dmitri Lovetsky)

Hindu holy men rest at a base camp for the annual pilgrimage to the Amarnath cave shrine in Jammu, India, on July 1, 2019. Thousands of Hindu pilgrims began the arduous trek to an icy Himalayan cave in disputed Kashmir on Monday, with tens of thousands of Indian government forces guarding roads and mountain passes. (AP Photo/Channi Anand)

Former employees of the Central Tibetan Administration wait to present their spiritual leader, the Dalai Lama, with ceremonial offerings at the Tsuglakhang temple in Dharmsala, India, on July 5, 2019. Exiled Tibetans also prayed for the Tibetan spiritual leader’s longevity. (AP Photo/Ashwini Bhatia)