Amy Winehouse's father Mitch Winehouse (C) mother Janis Winehouse (L in white) brother Alex Winehouse (R) and former boyfriend Reg Traviss (2nd R) look at floral tributes left at her house by fans on July 25, 2011 in London, England. (Photo by Gareth Cattermole/Getty Images)

A black bull sarcophagus stands at Puri Ubud during the Hindu Royal cremation – also know as the Pengabenan – for the late Anak Agung Niang Rai, mother of Gianyar Regent, Tjokorda Oka Artha Ardana Sukawati, at Puri Ubud in Gianyar Bali on August 17, 2011 in Ubud, Bali, Indonesia. Niang Rai died in a Denpasar hospital in May; her actual cremation will take place on August 18 and will involve a nine level, 24m high 'bade' or body carring tower, made by upto 100 volunteers from 14 local villages. It will be carried to the cremation by 4500 Ubud residents. (Photo by Ulet Ifansasti/Getty Images)

South Korean rescue members wearing chemical protective suits walk past a monster character (R) during an anti-terror drill as part of a disaster management exercise at the COEX shopping and exhibition center in Seoul on May 20, 2016. South Korea is holding its 2016 Safe Korea anti-disaster exercise this week against terrorist threats and natural disasters. (Photo by Jung Yeon-Je/AFP Photo)

Baker Magadma, a member of Palestinian sports group Bar Palestine, performs on the street in Gaza City, on June 3, 2016. Street workout, which is still new in Gaza, is a growing sport across the world with annual competitions and events. (Photo by Mohammed Abed/AFP Photo)

Sandra Brown, 40, rides the Skyslide on the 69th and 70th floors of the U.S. Bank Tower which is attached to the OUE Skyspace LA observation deck in downtown Los Angeles, California, U.S. June 20, 2016. (Photo by Lucy Nicholson/Reuters)

A woman greets a street artist at the San Fermin festival in Pamplona, northern Spain July 8, 2016. (Photo by Eloy Alonso/Reuters)

School children dressed in traditional attire eat breakfast before participating in a Republic day parade in Bangalore, India, Thursday, January 26, 2017. (Photo by Aijaz Rahi/AP Photo)

Brain-on-a-chip. Dazzling in green and magenta this image shows the nerve fibres (in green) produced by neural stem cells (in magenta) as they grow on a synthetic gel. Captured by a technique known as confocal microscopy, the image is part of research shedding light on how tinkering with the environment can affect the way in which nerve fibres grow. (Photo by Collin Edington and Iris Lee/Massachusetts Institute of Technology/Wellcome Images)