In this Friday, December 4, 2018 photo, a half sunken cruise ship lays on its side, in the Gulf of Elefsina, west of Athens. Dozens of abandoned cargo and passenger ships lie semi-submerged or completely sunken around the Gulf of Elefsina, near Greece’s major port of Piraeus. Now authorities are beginning to remove the dilapidated ships. Some of them have been there for decades, leaking hazards like oil into the environment and creating a danger to modern shipping. One expert calls the abandoned ships “an environmental bomb”. (Photo by Thanassis Stavrakis/AP Photo)

In this image made from video, woman protesters march with a sign outside the building housing the Saudi consulate in Sydney, Thursday, January 10, 2019. Four women held a topless protest in Sydney on Thursday to support runaway Saudi woman Rahaf Mohammed Alqunun, as Australia began considering her bid to settle in the country as a refugee. (Photo by Australia Broadcast Corporation via AP Photo)

An artwork called “McJesus”, which was sculpted by Finnish artist Jani Leinonen and depicts a crucified Ronald McDonald, is seen on display as part of the Haifa museum's “Sacred Goods” exhibit, in Haifa, Israel, Monday, January 14, 2019. Hundreds of Christians calling for the sculpture's removal protested at the museum last week. (Photo by Oded Balilty/AP Photo)

In this Thursday, January 17, 2019, photo, an Indian tamer reacts as a bull charges towards him during a traditional bull-taming festival called Jallikattu, in the village of Allanganallur, near Madurai, Tamil Nadu state, India. Jallikattu involves releasing a bull into a crowd of people who are expected to hang on to the animal's hump for a stipulated distance or hold on to the hump for a minimum of three jumps made by the bull. The sport, performed during the four-day “Pongal” or winter harvest festival, is hugely popular in Tamil Nadu. (Photo by Aijaz Rahi/AP Photo)

Indian Naga Sadhus, or naked holy men, participate in a procession before taking a “shahi snans”, or holy bath, at the Sangam river, the confluence of three of the holiest rivers in Hindu mythology, the Ganga, the Yamuna and the Saraswati, during Kumbh Mela festival in Allahabad, Uttar Pradesh, India, 15 January 2019. The Hindu festival is one of the biggest in India and will be held from 15 January to 04 March 2019 in Allahabad. (Photo by Rajat Gupta/EPA/EFE)

A green rosella and a wallaby, known as a Pademelon, eye off as they drink from a water bowl put out for thirsty wild animals at a back-yard in Kayena, in northern Tasmania, 01 February 2019. Australia recorded its hottest month on record in January; it was also the hottest and driest month on record for the Australian island state of Tasmania. (Photo by Barbara Walton/EPA/EFE)

Groundhog Club co-handler Al Dereume holds Punxsutawney Phil, the weather prognosticating groundhog, in front of the crowd gathered for the 133rd celebration of Groundhog Day on Gobbler's Knob in Punxsutawney, Pa. Saturday, February 2, 2019. Phil's handlers said that the groundhog has forecast an early spring. (Photo by Gene J. Puskar/AP Photo)

An Indian sadhu (Hindu holy man) sits on the banks of Sangam – the confluence of the Ganges, Yamuna and mythical Saraswati rivers – on the auspicious bathing day of 'Maghi Purnima' during the Kumbh Mela festival in Allahabad on February 19, 2019. Millions of Hindu pilgrims took the plunge in holy rivers on the most auspicious bathing days of the Kumbh Mela festival, led by naked, ash-smeared holy men and accompanied by chants from Hindu holy texts. (Photo by Sanjay Kanojia/AFP Photo)