Polish treasure hunter Piotr Koper (L) and German treasure hunter Andreas Richter, who claim to have found a lost train, smile as they pose during a Reuters interview in Walbrzych, southwestern Poland September 9, 2015. Polish military personnel on September 4 began inspecting and photographing the site where authorities suspect a Nazi-era train, possibly carrying guns and looted jewels, may be buried. Two amateur treasure hunters, a German and a Pole, said in August they had found the train, and said it should be exhumed and displayed as a tourist attraction. REUTERS/Piotr Hawalej 

Polish treasure hunter Piotr Koper (L) and German treasury hunter Andreas Richter, who claim to have found a lost train smile as they pose during a Reuters interview in Walbrzych, southwestern Poland September 9, 2015. Polish military personnel on September 4 began inspecting and photographing the site where authorities suspect a Nazi-era train, possibly carrying guns and looted jewels, may be buried. Two amateur treasure hunters, a German and a Pole, said in August they had found the train, and said it should be exhumed and displayed as a tourist attraction. REUTERS/Piotr Hawalej 

Polish treasure hunter Piotr Koper, who claims to have found a lost train poses during a Reuters interview in Walbrzych, southwestern Poland September 9, 2015. Polish military personnel on September 4 began inspecting and photographing the site where authorities suspect a Nazi-era train, possibly carrying guns and looted jewels, may be buried. Two amateur treasure hunters, a German and a Pole, said in August they had found the train, and said it should be exhumed and displayed as a tourist attraction. REUTERS/Piotr Hawalej 

German treasure hunter Andreas Richter, one who claims to have found a lost train poses during a Reuters interview in Walbrzych, southwestern Poland September 9, 2015. Polish military personnel on September 4 began inspecting and photographing the site where authorities suspect a Nazi-era train, possibly carrying guns and looted jewels, may be buried. Two amateur treasure hunters, a German and a Pole, said in August they had found the train, and said it should be exhumed and displayed as a tourist attraction. REUTERS/Piotr Hawalej 

Polish treasure hunter Piotr Koper (L) and German treasure hunter Andreas Richter pose during a Reuters interview in Walbrzych, southwestern Poland September 9, 2015. Polish military personnel on September 4 began inspecting and photographing the site where authorities suspect a Nazi-era train, possibly carrying guns and looted jewels, may be buried. Two amateur treasure hunters, a German and a Pole, said in August they had found the train, and said it should be exhumed and displayed as a tourist attraction. REUTERS/Piotr Hawalej 

Presenters record a show at the main studio of Yemen FM, a private radio station in Sanaa April 22, 2014. Since the 2011 uprising that toppled Yemen's former president Ali Abdullah Saleh, there has been a proliferation of unlicensed private broadcast media in the country, a trend that the information minister acknowledged needs urgent regulation, local media reported. Picture taken April 22, 2014. REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS MEDIA) 

Song Ho-Jun shows his satellite during an interview with Reuters at his house in Seoul July 10, 2012. Song, a 34-year old media artist with a background in engineering, says he wanted to show people that "anything could be made by ordinary people with the help of internet and social platforms". There's a long history of do-it-yourself satellites being launched by universities and scientific groups around the world, as well as amateur radio clubs, but Song said his cubical OpenSat is the first truly personal satellite designed and financed by an individual. The South Korean artist is to put the $500 satellite built in the basement of his house in Seoul, into orbit. Picture taken July 10, 2012. To match story KOREA-SATELLITE/ REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: SCIENCE TECHNOLOGY SOCIETY BUSINESS) 

Song Ho-Jun poses with his satellite during an interview with Reuters at his house in Seoul July 10, 2012. Song, a 34-year old media artist with a background in engineering, says he wanted to show people that "anything could be made by ordinary people with the help of internet and social platforms". There's a long history of do-it-yourself satellites being launched by universities and scientific groups around the world, as well as amateur radio clubs, but Song said his cubical OpenSat is the first truly personal satellite designed and financed by an individual. The South Korean artist is to put the $500 satellite built in the basement of his house in Seoul, into orbit. Picture taken July 10, 2012. To match story KOREA-SATELLITE/ REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: SOCIETY SCIENCE TECHNOLOGY BUSINESS TPX IMAGES OF THE DAY) 

Song Ho-Jun poses with his satellite during an interview with Reuters at his house in Seoul July 10, 2012. Song, a 34-year old media artist with a background in engineering, says he wanted to show people that "anything could be made by ordinary people with the help of internet and social platforms". There's a long history of do-it-yourself satellites being launched by universities and scientific groups around the world, as well as amateur radio clubs, but Song said his cubical OpenSat is the first truly personal satellite designed and financed by an individual. The South Korean artist is to put the $500 satellite built in the basement of his house in Seoul, into orbit. Picture taken July 10, 2012. To match story KOREA-SATELLITE/ REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: SOCIETY SCIENCE TECHNOLOGY BUSINESS) 

Uniforms of Cidade Nova Radio Taxi soccer team are displayed before a Peladao Verde championship match against Unidos da Cidade Nova in Manaus September 24, 2011. According to organizers, the Peladao is the biggest amateur soccer championship in the world with about 761 teams competing at the levels of master, children, women, indigenous and the main category "Peladao Verde". The main category also combines a pageant aspect as participating teams are required to present a beauty queen who will compete for the title of Peladao 2011 Queen. The beauty pageant winner will receive prizes and be involved in social work, and her team, with the other 4 finalists' teams, will earn the right to return to the competition if it was already eliminated. REUTERS/Ricardo Moraes (BRAZIL - Tags: SOCIETY SPORT SOCCER) 

Amateur actors pose in front of the camera on the set of "Soul Partners", a new comedy series described as China's version of the U.S. TV hit "Friends", in an apartment in Songjiang New Town, about 30 km (18 miles) from Shanghai February 4, 2007. "Soul Partners" features six people in their 20s who live together after being separately tricked into buying the same apartment. To match feature INTERNET-CHINA/FRIENDS REUTERS/Nir Elias (CHINA) 

Pianist Andres Linetzki, from the Ramiro Gallo Quinteto orchestra,
plays a tango before an audience at the Radio Municipal studio in
Buenos Aires, Argentina, September 17, 2003. Every Wednesday 100
enthusiastic tango-goers gather in this auditorium to listen to tango
performed live by their favorite professionals as well as amateurs
musicians and singers. Picture taken September 17. REUTERS/Enrique
Marcarian

EM/GAC 

The Ramiro Gallo Quinteto orchestra plays a tango before an audience at
the Radio Municipal studio in Buenos Aires, Argentina, September 17,
2003. Every Wednesday 100 enthusiastic tango-goers gather in this
auditorium to listen tango performed live by their favorite
professionals as well as amateurs musicians and singers. Picture taken
September 17. REUTERS/Enrique Marcarian

EM/GAC 

With the pictures of late tango idols on the wall, tango fans Carlos
Gardel (L), Tita Merello, and Anibal Troilo (R), applaud the Ramiro
Gallo Quinteto orchestra during its concert at the Radio Municipal
studio in Buenos Aires, Argentina, September 17, 2003. Every Wednesday
100 enthusiastic tango-goers gather in this auditorium to listen tango
performed live by their favorite professionals as well as amateurs
musicians and singers. Picture taken September 17. REUTERS/Enrique
Marcarian

EM/GAC