Labourers pour molten iron into a container at a foundry in Xiangfan, Hubei province in this July 2, 2010 file photo. Iron ore is enjoying its biggest rally in years, outpacing copper and oil so far in 2016, but still weak forward prices show it may be tough to stretch the bullish outlook. Improving steel prices in top market China are helping fuel iron ore's climb as producers gear up for a seasonal uptick in demand. Yet there is no shortage of doubters who see gains in the bulk commodity as fleeting given a large glut and challenges for China's economy. (Photo by Reuters/Stringer)

Royal sacred white oxen are offered food to consult the oracles during the Royal Ploughing Ceremony at the Royal Ground, Sanam Luang near the Grand Palace in Bangkok, Thailand, 09 May 2016. The ancient Brahmin rite is of great importance to the country's farmers. Thousands of farmers converge in Bangkok for the annual event, which is believed to assure a successful planting season and an abundance of crops. This year the sacred oxen ate paddy, sesame seeds, water and liquor which according to traditional soothsayers predicts that the country will have abundant food, sufficient water for agriculture as well as communication and foreign trade will improve leading to the prosperous economy. (Photo by Rungroj Yongrit/EPA)

Nationalist youths throw bottles at police officers after the annual Orange march on July 12, 2016 in Belfast, Northern Ireland. The controversial Ardoyne interface is a flash point between the Catholic and Protestant communities with trouble flaring in the area frequently during the so called marching season. The Protestant Orange bands from the nearby area have been stopped from parading past the Catholic Ardoyne for the past three years. (Photo by Charles McQuillan/Getty Images)

A photograph made available on 02 October 2016 showing Indian people dressed in traditional attire performing the Garba dance, a ritual performed to appease Goddess Durga, in a religious event named, “Abhivyakti 2016” during the nine-day long Navratri festival in Bhopal, India, 01 October 2016 Celebrated twice a year during the spring and the fall season, the Navratri festival is dedicated to the Hindu Goddess Durga. (Photo by Sanjeev Gupta/EPA)

Bangladeshi artists wear floral attire as they join celebrations of the spring festival “Basanta Utsav” at the Faculty of Fine Arts of the University of Dhaka, in Bangladesh, 14 February 2024. The Bashanta Utshab, or Spring Festival, is a local traditional festival which marks the beginning of the Spring Season while young people also celebrate it along with Valentine's Day. (Photo by Monirul Alam/EPA/EFE)

Fort Bourtange is a star fort located in the village of Bourtange, Groningen, Netherlands. It was built in 1593 under the orders of William the Silent. Its original purpose was to control the only road between Germany and the city of Groningen, which was controlled by the Spaniards during the time of the Eighty Years' War.