According to reports, the Chinese duo state they were unaware that Thai law was in effect there.

PATTAYA- A Foreign couple caught on camera having intercourse on a sidewalk in this tourist town claimed to have done it in other countries but not Thailand because it was against the law, according to police.
After being notified by a security guard that he had seen a foreign person and a international lady having intercourse on the road near the entrance to the Walking Street, police converged on the scene in South Pattaya on Wednesday.
The girl wore only a top, while the man set up a camera on a camera before removing his shirt and pants. In total view of passing drivers and pedestrians, the couple performed.
The guard alerted the officers, who also looked at security camera game, after taking pictures of their antics as proof.
Officers took the pair to the Pattaya City police station for questioning and tracked them to a motel. Lin Tingting, 37, and Oh Zhihang, 67, were the two Chinese citizens.
According to Section 388 of the Criminal Code, the partners has been accused of performing an immoral act in public.
The Taiwanese man admitted to being a photographer and enjoying nude photo shoots with an speaker. He claimed to have collected numerous of these images for his private set around the world.
He claimed that he was unaware that what he had done was against Thai rules. The pair apologised to Indian citizens and the authorities for their actions, according to authorities, which had damaged the reputation of Pattaya tourism.

The attired offenders are captured on camera by a local security camera. Social photo of Pattaya authorities station