Can Thi Theu, a farmer and land protection activist (C) is escorted by policemen at a court in Hanoi, Vietnam September 20, 2016. Mandatory credit VNA/Doan Tan/via REUTERS

Farmers from Duong Noi village sit in front of a shopping mall outside a court while they protest during a trial of Can Thi Theu, a farmer and land protection activist in Hanoi, Vietnam September 20, 2016. The placards read "Can Thi Theu is innocent", "Justice for innocent Can Thi Theu" and "make arrest - grabbing land is criminal". REUTERS/Nguyen Tien Thinh

Comedian Jim Carrey arrives at the Ed Sullivan Theater in Manhattan to take part in the taping of the final edition of "The Late Show" with David Letterman in New York May 20, 2015. REUTERS/Lucas Jackson

Participants hold candles during a mass prayer to call for justice in the trials of dissident blogger Nguyen Huu Vinh and land protection activist Can Thi Theu at Thai Ha church in Hanoi, Vietnam September 18, 2016. REUTERS/Kham

A general view shows damaged buildings in the Waer district in the central Syrian city of Homs, Syria September 19, 2016. REUTERS/Omar Sanadiki

The entrance of the Waer district is pictured in the central Syrian city of Homs, Syria September 19, 2016. REUTERS/Omar Sanadiki

Participants hold candles during a mass prayer to call for justice in the trials of dissident blogger Nguyen Huu Vinh and land protection activist Can Thi Theu at Thai Ha church in Hanoi, Vietnam September 18, 2016. REUTERS/Kham

Governor of the Bank of France Francois Villeroy de Galhau attends a news conference held at the close of the G20 Finance Ministers and Central Bank Governors meeting in Chengdu in Southwestern China's Sichuan province, Sunday, July 24, 2016. REUTERS/Ng Han Guan