BANGKOK, THAILAND - OCTOBER 06 : People visit the Thammasat University Campus as Thailand marks the 40th anniversary of the Thammasat University massacre in Bangkok, Thailand on October 06, 2016. Survivors of a massacre at a Thai university gathered alongside students in downtown Bangkok on Thursday to mark the 40th anniversary of one of the most traumatic events in the country's contemporary history. On Oct. 6, 1976, around 100 students at Thammasat University accused of being Communists were lynched, burnt alive and shot by right-wing militias, spurred on by chanting and smiling countrymen. ( Guillaume Payen - Anadolu Agency )

BANGKOK, THAILAND - OCTOBER 06 : People visit the 40th anniversary memorial exhibition inside the Thammasat University Campus as Thailand marks the 40th anniversary of the Thammasat University massacre in Bangkok, Thailand on October 06, 2016. Survivors of a massacre at a Thai university gathered alongside students in downtown Bangkok on Thursday to mark the 40th anniversary of one of the most traumatic events in the country's contemporary history. On Oct. 6, 1976, around 100 students at Thammasat University accused of being Communists were lynched, burnt alive and shot by right-wing militias, spurred on by chanting and smiling countrymen. ( Guillaume Payen - Anadolu Agency )

BANGKOK, THAILAND - OCTOBER 06 : People visit the Thammasat University Campus as Thailand marks the 40th anniversary of the Thammasat University massacre in Bangkok, Thailand on October 06, 2016. Survivors of a massacre at a Thai university gathered alongside students in downtown Bangkok on Thursday to mark the 40th anniversary of one of the most traumatic events in the country's contemporary history. On Oct. 6, 1976, around 100 students at Thammasat University accused of being Communists were lynched, burnt alive and shot by right-wing militias, spurred on by chanting and smiling countrymen. ( Guillaume Payen - Anadolu Agency )

BANGKOK, THAILAND - OCTOBER 06 : People visit the Thammasat University Campus as Thailand marks the 40th anniversary of the Thammasat University massacre in Bangkok, Thailand on October 06, 2016. Survivors of a massacre at a Thai university gathered alongside students in downtown Bangkok on Thursday to mark the 40th anniversary of one of the most traumatic events in the country's contemporary history. On Oct. 6, 1976, around 100 students at Thammasat University accused of being Communists were lynched, burnt alive and shot by right-wing militias, spurred on by chanting and smiling countrymen. ( Guillaume Payen - Anadolu Agency )

BANGKOK, THAILAND - OCTOBER 06 : People visit the Thammasat University Campus as Thailand marks the 40th anniversary of the Thammasat University massacre in Bangkok, Thailand on October 06, 2016. Survivors of a massacre at a Thai university gathered alongside students in downtown Bangkok on Thursday to mark the 40th anniversary of one of the most traumatic events in the country's contemporary history. On Oct. 6, 1976, around 100 students at Thammasat University accused of being Communists were lynched, burnt alive and shot by right-wing militias, spurred on by chanting and smiling countrymen. ( Guillaume Payen - Anadolu Agency )

BANGKOK, THAILAND - OCTOBER 06 : People visit the Thammasat University Campus as Thailand marks the 40th anniversary of the Thammasat University massacre in Bangkok, Thailand on October 06, 2016. Survivors of a massacre at a Thai university gathered alongside students in downtown Bangkok on Thursday to mark the 40th anniversary of one of the most traumatic events in the country's contemporary history. On Oct. 6, 1976, around 100 students at Thammasat University accused of being Communists were lynched, burnt alive and shot by right-wing militias, spurred on by chanting and smiling countrymen. ( Guillaume Payen - Anadolu Agency )

BANGKOK, THAILAND - OCTOBER 06 : People visit the Thammasat University Campus as Thailand marks the 40th anniversary of the Thammasat University massacre in Bangkok, Thailand on October 06, 2016. Survivors of a massacre at a Thai university gathered alongside students in downtown Bangkok on Thursday to mark the 40th anniversary of one of the most traumatic events in the country's contemporary history. On Oct. 6, 1976, around 100 students at Thammasat University accused of being Communists were lynched, burnt alive and shot by right-wing militias, spurred on by chanting and smiling countrymen. ( Guillaume Payen - Anadolu Agency )

BANGKOK, THAILAND - OCTOBER 06 : People visit the Thammasat University Campus as Thailand marks the 40th anniversary of the Thammasat University massacre in Bangkok, Thailand on October 06, 2016. Survivors of a massacre at a Thai university gathered alongside students in downtown Bangkok on Thursday to mark the 40th anniversary of one of the most traumatic events in the country's contemporary history. On Oct. 6, 1976, around 100 students at Thammasat University accused of being Communists were lynched, burnt alive and shot by right-wing militias, spurred on by chanting and smiling countrymen. ( Guillaume Payen - Anadolu Agency )

BANGKOK, THAILAND - OCTOBER 06 : People visit the Thammasat University Campus as Thailand marks the 40th anniversary of the Thammasat University massacre in Bangkok, Thailand on October 06, 2016. Survivors of a massacre at a Thai university gathered alongside students in downtown Bangkok on Thursday to mark the 40th anniversary of one of the most traumatic events in the country's contemporary history. On Oct. 6, 1976, around 100 students at Thammasat University accused of being Communists were lynched, burnt alive and shot by right-wing militias, spurred on by chanting and smiling countrymen. ( Guillaume Payen - Anadolu Agency )

BANGKOK, THAILAND - OCTOBER 06 : People visit the Thammasat University Campus as Thailand marks the 40th anniversary of the Thammasat University massacre in Bangkok, Thailand on October 06, 2016. Survivors of a massacre at a Thai university gathered alongside students in downtown Bangkok on Thursday to mark the 40th anniversary of one of the most traumatic events in the country's contemporary history. On Oct. 6, 1976, around 100 students at Thammasat University accused of being Communists were lynched, burnt alive and shot by right-wing militias, spurred on by chanting and smiling countrymen. ( Guillaume Payen - Anadolu Agency )

BANGKOK, THAILAND - OCTOBER 06 : People visit the Thammasat University Campus as Thailand marks the 40th anniversary of the Thammasat University massacre in Bangkok, Thailand on October 06, 2016. Survivors of a massacre at a Thai university gathered alongside students in downtown Bangkok on Thursday to mark the 40th anniversary of one of the most traumatic events in the country's contemporary history. On Oct. 6, 1976, around 100 students at Thammasat University accused of being Communists were lynched, burnt alive and shot by right-wing militias, spurred on by chanting and smiling countrymen. ( Guillaume Payen - Anadolu Agency )