A man demonstrates his tattoo during the MBK Tattoo Contest in Bangkok, Thailand, Nov. 14, 2015. Hundreds of tattoo fans gather in Bangkok on Saturday for the annual MBK Tattoo Contest, competing in 16 styled events including small job, old school, new school, realistic and tribal. (Xinhua/Li Mangmang)

A man demonstrates his tattoo during the MBK Tattoo Contest in Bangkok, Thailand, Nov. 14, 2015. Hundreds of tattoo fans gather in Bangkok on Saturday for the annual MBK Tattoo Contest, competing in 16 styled events including small job, old school, new school, realistic and tribal. (Xinhua/Li Mangmang)

A man demonstrates his tattoo in front of judges during the MBK Tattoo Contest in Bangkok, Thailand, Nov. 14, 2015. Hundreds of tattoo fans gather in Bangkok on Saturday for the annual MBK Tattoo Contest, competing in 16 styled events including small job, old school, new school, realistic and tribal. (Xinhua/Li Mangmang)

A man demonstrates his tattoo in front of judges during the MBK Tattoo Contest in Bangkok, Thailand, Nov. 14, 2015. Hundreds of tattoo fans gather in Bangkok on Saturday for the annual MBK Tattoo Contest, competing in 16 styled events including small job, old school, new school, realistic and tribal. (Xinhua/Li Mangmang)

Two female contestants attend the MBK Tattoo Contest in Bangkok, Thailand, Nov. 14, 2015. Hundreds of tattoo fans gather in Bangkok on Saturday for the annual MBK Tattoo Contest, competing in 16 styled events including small job, old school, new school, realistic and tribal. (Xinhua/Li Mangmang)

A man demonstrates his tattoo during the MBK Tattoo Contest in Bangkok, Thailand, Nov. 14, 2015. Hundreds of tattoo fans gather in Bangkok on Saturday for the annual MBK Tattoo Contest, competing in 16 styled events including small job, old school, new school, realistic and tribal. (Xinhua/Li Mangmang)

A tattoo artist works on a pattern on a man's chest during the MBK Tattoo Contest in Bangkok, Thailand, Nov. 14, 2015. Hundreds of tattoo fans gather in Bangkok on Saturday for the annual MBK Tattoo Contest, competing in 16 styled events including small job, old school, new school, realistic and tribal. (Xinhua/Li Mangmang)

A tattoo artist works on a pattern on a man's leg during the MBK Tattoo Contest in Bangkok, Thailand, Nov. 14, 2015. Hundreds of tattoo fans gather in Bangkok on Saturday for the annual MBK Tattoo Contest, competing in 16 styled events including small job, old school, new school, realistic and tribal. (Xinhua/Li Mangmang)

A tattoo artist works on a pattern on a man's back during the MBK Tattoo Contest in Bangkok, Thailand, Nov. 14, 2015. Hundreds of tattoo fans gather in Bangkok on Saturday for the annual MBK Tattoo Contest, competing in 16 styled events including small job, old school, new school, realistic and tribal. (Xinhua/Li Mangmang)