Indonesian participants climb a greased pole to collect presents during a pole race held to mark the Indonesia's 71th independence anniversary in Jakarta, Indonesia, 17 August 2016. Indonesia gained its independence from the Netherlands in 1945. (Photo by Mast Irham/EPA)





A participant climbs a greased pole to collect vouchers for prizes during a “Panjat Pinang” event organised in celebration of Indonesia's 71st Independence day in Jakarta, Indonesia August 17, 2016. (Photo by Darren Whiteside/Reuters)





Participants struggle to reach the prizes on the top of greasy slippery poles in Jakarta on August 17, 2016, as part of Indonesia's celebrations to mark its 71st independent day anniversary. (Photo by Bay Ismoyo/AFP Photo)





Participants climb a greased pole to collect vouchers for prizes during a “Panjat Pinang” event organised in celebration of Indonesia's 71st Independence day in Jakarta, Indonesia August 17, 2016. (Photo by Darren Whiteside/Reuters)





Participants react as they climb a greased pole to collect vouchers for gifts during a “Panjat Pinang” event organised in celebration of Indonesia's 71st Independence day in Jakarta, Indonesia August 17, 2016. (Photo by Darren Whiteside/Reuters)





A participant climbs down a greased pole after collecting vouchers for prizes during a “Panjat Pinang” event organised in celebration of Indonesia's 71st Independence day in Jakarta, Indonesia August 17, 2016. (Photo by Darren Whiteside/Reuters)





Participants climb greased poles to collect vouchers for prizes during a “Panjat Pinang” event organised in celebration of Indonesia's 71st Independence day in Jakarta, Indonesia August 17, 2016. (Photo by Darren Whiteside/Reuters)





An Indonesian participant reacts as he hold up his teammate as he attempts to climb a greased pole to collect presents during a pole race held to mark the Indonesia's 71th independence anniversary in Jakarta, Indonesia, 17 August 2016. (Photo by Mast Irham/EPA)





Participants climb a greased pole to collect vouchers for prizes during a “Panjat Pinang” event organised in celebration of Indonesia's 71st Independence day in Jakarta, Indonesia August 17, 2016. (Photo by Darren Whiteside/Reuters)





Participants climb greased poles to collect prizes during a “Panjat Pinang” event organised in celebration of Indonesia's 71st Independence day in Jakarta, Indonesia August 17, 2016. (Photo by Iqro Rinaldi/Reuters)





A participant lowers a bicycle after climbing a greased pole to collect prizes during a “Panjat Pinang” event organised in celebration of Indonesia's 71st Independence day in Jakarta, Indonesia August 17, 2016. (Photo by Iqro Rinaldi/Reuters)





Participants climb greased poles to collect prizes during a “Panjat Pinang” event organised in celebration of Indonesia's 71st Independence day in Jakarta, Indonesia August 17, 2016. (Photo by Iqro Rinaldi/Reuters)