On the left:

The trigonometric tower in Mežaparks with the Latvian flag raised by Reinis Kurzemnieks, Uldis Mucenieks and Andris Ieviņš on the night of May 30/31, 1962.

Photo: National Archives of Latvia – State Archives of Latvia / unidentified author

On the right: 

National resistance movement member Uldis Mucenieks after his arrest, 1964. Arrested in 1962, accused of multiple attempts to escape from the USSR and expression of anti-Soviet views among acquaintances, sentenced to 10 years in prison. In 1964, additionally accused and sentenced to 5 years in prison for raising the Latvian flag on the trigonometric tower in Mežaparks. He was imprisoned until 1971.

Photo: National Archives of Latvia – State Archives of Latvia / unidentified author