As an adolescent, he was sent to study Marxism in Moscow, but returned clandestinely the following year.

Towards the end of 1943 he returned clandestinely to Spain, one of the first communists to do so.

It appears that he broke the ban in 1294, returning clandestinely to his hometown.

After spending several hours in no man's land, he clandestinely returned to Romania.

However, he did return clandestinely to study engraving with Isidoro Ocampo.

The villagers were expelled to Lebanon and became refugees for few months, before managing to return clandestinely.

The villagers eventually managed to return clandestinely.

Following a UN investigation and pressure activated by the Vatican, the villagers eventually managed to return clandestinely.

Dalton returned clandestinely to El Salvador in 1965 but was soon caught and taken prisoner.

He did this in order to be able to return clandestinely to El Salvador.