But he defends his right to keep the photo, citing his 'absolute reverence' for the exiled spiritual leader.
The Tibetans were angered by plans to divert a river to a neighboring Muslim village.
Some Tibetans are closing their WeChat accounts to avoid scrutiny by authorities.
Jamyang Losal's protest brings to 150 the number of self-immolations by Tibetans living in China.
They are being held at an unknown location following their earlier release after questioning.
Lobsang Gyatso survived his burns but was beaten and harassed during his time in prison, a Tibetan source says.
Chagdor Kyab's parents are forbidden to receive friends or to organize prayers, a Tibetan source says.
Gonpo, aged 43, is taken into custody following two-self immolation protests in Kardze in the last two months.
Chagdor Kyab, 16, shouted plea for Tibetan freedom before being taken away by authorities in Amdo.
The animals, including poultry and rabbits, were believed by authorities to be infected with bird flu.
Paramilitary police and government workers conduct political reeducation classes, restrict residents' movements.
Jampal was beaten and tortured in prison and can now walk only with difficulty, a Tibetan source says.
She had prayed over a self-immolation protester and stopped Chinese police from seizing his remains.
Khedrup had previously been held for a month before his release in January for lack of evidence against him.
Two monks detained with him after protests in 2008 were released earlier, sources say.
Tibet's second highest-ranking religious leader vanished in Chinese custody in 1995 after being identified by the Dalai Lama.
They are told they must leave the retreat center to which they relocated after being forced out of Larung Gar Buddhist Academy.
He was convicted of subversion after staging a solo protest in Ngaba calling for Tibetan freedom.
Three are held for recovering Wangchuk Tseten's mobile phone, while two others are detained for filming the protest.
Nyagrong man stages second known self-immolation protest of 2017, drawing tight security.
A Hilton spokesperson denies a report that no Tibetans are employed at the resort in Kongpo.
Authorities cite the need for 'orderly management' of the large complex, home to thousands of monks and nuns.
Buddhist leader says China must show it believes in rebirth before discussing sensitive reincarnation issue.
The spiritual leader will hold three days of religious teachings during his stay.
The last group of nuns is sent back to their native areas in Qinghai province, the source says.
But India downplays the trip and the Dalai Lama says his visit will promote religious harmony.
They are told to move at their own expense to make way for an unspecified government-backed construction project.
India shrugs off Chinese complaints over trip to Arunachal Pradesh, which Beijing claims as 'South Tibet.'
After losing a leg to burns suffered in his protest in 2011, he was tortured and harassed in prison, sources say.
Residents of the academy for Tibetan Buddhist studies should focus on their studies as more dwellings are torn down, he says.