Thames Valley Police officers with face coverings and climbing gear prepare to arrest two anti-HS2 activists who had blocked a HGV used for works connected to the HS2 high-speed rail link on 28 September 2020 in Denham, United Kingdom. Environmental activists continue to try to prevent or delay works on the controversial £106bn project for which the construction phase was announced on 4th September from a series of protection camps based along the route of the line between London and Birmingham.