The Observer's 20 photographs of the week

Clouds build up over the Victoria harbour before a storm in Hong Kong Photograph: Philippe Lopez/AFP

A worker leaves the site where the garment factory building collapsed near Dhaka. Rescue workers in Bangladesh gave up hopes of finding any more survivors and began using heavy machinery this week Photograph: Ismail Ferdous/AP

Workers leave for their lunch break in a building that houses garment factories in Dhaka. The government has decided to form a committee to identify garment factories in the country at risk of collapse Photograph: Jeff Holt/Getty

A US Forestry firefighter fights a wall of fire during the wildfire in Camarillo, California. Hundreds of firefighters are battling wind and dry conditions as over 6,000 acres have already been burned Photograph: Kevork Djansezian/Getty

Smoke races through the canyons in the mountain areas of Ventura County, California. The fierce, wind-whipped wildfire threatened several thousand homes Photograph: Gene Blevins/Reuters

An image of Dutch Queen Beatrix is seen from the window of an empty room in downtown Amsterdam, Netherlands. Queen Beatrix relinquished the crown after 33 years leaving the monarchy to her son Crown Prince Willem Alexander Photograph: Emilio Morenatti/AP

A South Korean car loaded with goods arrives at the customs, immigration and quarantine office near the demilitarised zone separating North and South Korea. This week Pyongyang rejected a call for formal talks to end a standoff that forced operations at the joint industrial complex to be halted. South Korea in turn said it would pull out all its remaining workers Photograph: Lee Jae-Won/Reuters

Chocolate, a miniature dachshund, receives acupuncture therapy to help with lumbar disk herniation, at an animal hospital in Tokyo Photograph: Adam Pretty/Getty

A burqa-clad Afghan protester takes part in a demonstration staged by a pro-democracy faction in Kabul Photograph: Shah Marai/AFP

Kumbuka, a 15-year-old western lowland gorilla, explores his new enclosure at London Zoo. It is hoped that Kumbuka will mate with the zoo's three female gorillas to increase numbers of the critically endangered species as part of the European breeding programme Photograph: Oli Scarff/Getty

An Orthodox Christian walks between the famous monolithic rock-cut churches during a Good Friday celebration in Lalibela, Ethiopia Photograph: Goran Tomasevic/Reuters

Ultra Orthodox Jewish women pray on Mount Meron during the Jewish holiday of Lag Baomer near the grave site of Rabbi Shimon Bar Yochai. Lag Baomer commemorates Bar Yochai's death, and it is tradition to visit his resting place, create bonfires, and give three-year-old boys their first haircuts Photograph: Abir Sultan/EPA

And here's a three-year old Jewish boy having his first haircut from his Ultra Orthodox father during during the celebration at the grave site of Rabbi Shimon Bar Yochai Photograph: Menahem Kahana/AFP

After four months of intensive work, the final stages of the restoration are completed inside the Painted Hall at the Old Royal Naval College Photograph: David Levene/Guardian

Kashmiri Muslims pray as a head priest, unseen, displays a relic on the anniversary of the death of Abu Bakr Siddiq, the first Caliph of Islam. The relic is believed to be a hair from the beard of the Prophet Mohammad Photograph: Dar Yasin/AP

A lemur moves close to the camera lens of photographer Dale Morris in Madagascar Photograph: Dale Morris/Barcroft Media

A man performs on a horse during a festival in Kopachiv near the Ukrainian capital Kiev Photograph: Sergii Polezhaka/Reuters

Paramilitary policemen stand guard during the Monihei Carnival in Yunnan province. Ethnic Wa people throw and smear muddy water onto each other during the annual festival. Wa people consider the muddy water sacred Photograph: Wong Campion/Reuters

Irish sculptor Patrick O'Reilly poses with his latest piece Haystack in his studio which is a deconsecrated Redemptoristine Monastery for contemplative nuns in St Alphonsus in Drumcondra, Dublin Photograph: Cathal McNaughton/Reuters

Filipino children look outside their house in a village inundated by floodwaters in Malabon. The village suffers from year-long floods and the inhabitants use boats to reach dry roads Photograph: Aaron Favila/AP