person being scanned by the Backscatter X-ray AIT, but is in contact with other officials who can halt the scanned person if anything suspicious shows up on the scan. US Penitentiary is also constantly purchasing X-ray full body scanners for contraband and weapons detection purposes. The scanners are generally Transmission X-ray scanners since these are the only devices capable of detecting metallic and non-metallic contraband hidden underneath clothing as well as contraband hidden inside body cavities. United Kingdom Civil rights groups in Britain in 2010 argued that the body scanning of children contravened the law relating to child pornography. Passive infra-red scanners have been developed for use in public spaces to collect and analyse natural heat radiation given off by the human body to detect both metallic and non-metallic "threat objects". No external radiation source is used and privacy is preserved as no body details are revealed. Police are conducting a trial of the equipment at London rail stations. Asia Pacific During the forecast period of 2020–2025, the Asia–Pacific region is projected to grow at the highest market CAGR (Compound Annual Growth Rate). The growth of this region is possibly due to the high airport investments and improvements in prison systems. China and India are heavily investing in greenfield airport construction. In January 2020, the Indian government decided to equip 84 airports with full-body scanners, which has led the Indian market to grow at a higher rate. Controversies Privacy Some argue that using a full-body scanner is equivalent to a strip search, and if used without probable cause violates basic human rights. Full-body scanning allows screeners to see the surface of the skin under clothing, prosthetics including breast prostheses and prosthetic testicles, which may require a potentially embarrassing, physical inspection once detected. The scanners can also detect other medical equipment normally hidden, such as colostomy bags and catheters. The transgender community also has privacy concerns that body scanners could lead to their harassment. In the UK, in 2010, the Equality and Human Rights Commission argued that full-body scanners were a risk to human rights and might be breaking the law. A ruling of the European Council in 2013 required that persons analyzing the image shall be in a separate location and the image shall not be linked to the screened person. In 2010 the National Human Rights Commission of Korea opposed the use of full-body scanners and recommended that they