Refugees and migrants wait to be rescued by members of the Spanish NGO Proactiva Open Arms, after leaving Libya trying to reach European soil aboard an overcrowded rubber boat, north of Libyan coast, Sunday, May 6, 2018. In total 105 refugees and migrants from Bangladesh, Egypt, Nigeria, Marrocos, Gana, Pakistan, Sudan, Libya, Eritrea and Senegal were rescued in the overcrowded rubber boat. (Photo by Felipe Dana/AP Photo)





Hundreds of women take part in a cheongsam show in Handan, China on May 5, 2018. Cheongsam is a traditional Qing Dynasty dress dating back to the early 17th century. (Photo by Pacific Press/Barcroft Images)





Aerial photo taken on April 20, 2018 shows the view of advection fog above Qingdao, a coastal city in east China' s Shandong Province. (Photo by Lu Hui/Xinhua News Agency/Eyevine)





This aerial picture taken with a drone shows a rape field blooming on the Lower Rhine in Sonsbeck, western Germany on April 23, 2018. (Photo by Arnulf Stoffel/AFP Photo/DPA)





Aerial view of “Chinese phoenix” pattern at a rapeseed field of She County on March 28, 2018 in Huangshan, Anhui Province of China. (Photo by VCG/VCG via Getty Images)





Volunteers ride electric bikes on a walkway built on a cliff at Laojun Mountain on April 3, 2018 in Luoyang, Henan Province of China. 50 environmental protection volunteers challenge themselves on the glass walkway to increase awareness of environmentally-friendly travel during the upcoming Tomb Sweeping Festival holiday. (Photo by VCG/VCG via Getty Images)





Sour cherry trees flower in an orchard near Palkonya, 245 kms south of Budapest, Hungary, 19 April 2018. (Photo by Tamas Soki/EPA/EFE)





An aerial photograph shows Australian sculpture Andrew Rogers land art work “Sustance” a date palm motif, in Cappadocia region, Kayseri, Turkey on April 20, 2018. The land art project which is called “Rhythms of Life” is the largest contemporary land art undertaking in the world. The 48 massive stone sculptures has created in 13 countries and 7 continents around the world. “Rhythms of Life” in Turkey is located in Cappadocia, near the World Heritage-listed rock formations and cave dwellings. (Photo by Sercan Kucuksahin/Anadolu Agency/Getty Images)





Taxis parked at a lot in Nanjing, east China on April 3, 2018. Quantities of taxis lined up at an open space in Nanjing city. A number of taxi drivers has stopped renting taxis due to the development of online cab-hailing services. (Photo by Sipa Asia/Rex Features/Shutterstock)





A white stork broods on its eyrie near Laatzen, Germany on May 08, 2018 (aerial View from an ultralight aircraft). (Photo by Julian Stratenschulte/DPA)





An aerial photograph of the blossoming bulb fields and watercanals in Lisse, The Netherlands, 20 April 2018. Keukenhof Park is one of the largest flower gardens worldwide with about seven million flower bulbs planted every year. (Photo by Koen van Weel/EPA/EFE)





An aerial view of the Moskovskaya, 21 residential complex in the town of Khimki near Moscow, Russia on April 10, 2018. (Photo by Valery Sharifulin/TASS)





A wooden jetty is surrounded by melting sea ice in the islands of Merenkurkku (Kvarken) Archipelago, classified UNESCO, near Vaasa, western Finland, at the beginning of spring, on April 25, 2018. Every spring cracks emerge in the frozen Gulf of Bothnia around the UNESCO protected islands of the Merenkurkku Archipelago in western Finland, allowing ferries to sail through the melting ice. The archipelago, also known as Kvarkenoff and situated off the coast of Vaasa, has been a UNESCO World Heritage Site since 2006, drawing tourists to its natural scenery and wildlife. The landscape, featuring thousands of islands, is largely the result of the last Ice Age. (Photo by Olivier Morin/AFP Photo)





Aerial view of more than 30 million tulips in full blossom at the Holland Sea of Flowers in Dafeng district, Yancheng city, Jiangsu province, China on April 15, 2018. More than 30 million tulips were in full blossom at the Holland Sea of Flowers in Dafeng district, Yancheng city, east China's Jiangsu province, which attracted thousands of visitors. (Photo by Imaginechina/Rex Features/Shutterstock)





An aerial view of newly built mosque complex that was built over 125,000 square meters is seen in Ankara, Turkey on May 12, 2018. The compound that has meal center, 60 Turkish bazaars, Turkish baths and handicraft facilities is planning to be opened at the beginning of Eid al-Fitr. (Photo by Mustafa Kamaci/Anadolu Agency/Getty Images)





This aerial picture taken with a drone on March 21, 2018 shows fisher boats caught in the ice at the harbour of Stahlbrode, northeastern Germany, where the low temperatures brought fishing activities to a standstill. (Photo by Stefan Sauer/AFP Photo/DPA)





In this aerial photo, a special machine cultivates a large tulip field to separate the blossoms from the rest of the plant on May 2, 2018 in Magdeburg, Germany. The tulip bulbs are cleared and processed during the months of July and August. The manufacturer of flower bulbs in Saxony-Anhalt will cultivate 40 hectares this year with 10 different varieties of tulips. The tulip bulbs are marketed throughout Europe following the harvest. (Photo by Jens Schlueter/Getty Images)





An aerial view shows the Rusal Achinsk Alumina Refinery's Mazulsky limestone mine, near the Siberian town of Achinsk, Krasnoyarsk region, Russia April 29, 2018. (Photo by Ilya Naymushin/Reuters)





This image taken with a drone shows numerous abandoned public shared bicycles at a lot in Shanghai on May 10, 2018. China issued national guidelines governing bike-sharing operations in 2017 in an effort to nurture a new industry credited with spurring a transport revolution while addressing mounting complaints over an accumulation of millions of bikes on city streets. (Photo by Johannes Eisele/AFP Photo)





An aerial view shows fissure 17 continuing to erupt, creating wide, a mile long flow of lava that now threatens homes, property, and two major thoroughfares in Pahoa, Hawaii, USA, 14 May 2018. Ground cracks and seismicity indicate a continued easterly migration. Eighteen fissures have been reported in and around Leilani Estate. Kilauea is the most active volcano on the Hawaii's Big Island and some experts predict the volcanic activity could cause a massive explosion in the coming weeks. (Photo by Bruce Omori/Paradise Helicopters/EPA/EFE)





View on the first and only tree top nature trail in Mogelsberg, Switzerland, 11 May 2018. The trail is 500 meters long and leads on different hights through the forest reaching 50 meters above ground the visitors have a spectacular view on the tree tops. (Photo by Gian Ehrenzeller/EPA/EFE/Rex Features/Shutterstock)