Timeframe: Forget Sheikh Zayed Bridge, crossing into Abu Dhabi 1963-style

Believe it or not, this was once the only road into Abu Dhabi. The year is 1963 and we're looking at the Maqta crossing. Two oil drums mark the entrance and the buildings in the background are custom offices for passport checks on anyone entering the island.

The photograph was taken in 1963 by David Riley, who was working for the British Bank of the Middle East (now HSBC) at the time. The causeway crossed a tidal channel and was prone to flooding on occasion, trapping cars. "During these occasions there was a certain camaraderie among fellow travellers, with passing vehicles stopping and 'collecting' anybody who had been stuck," Mr Riley recalled.

Thankfully the Maqta Bridge spans the channel close to this point today, one of three connecting the island with the mainland.

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WHAT IS A BLACK HOLE?

1. Black holes are objects whose gravity is so strong not even light can escape their pull

2. They can be created when massive stars collapse under their own weight

3. Large black holes can also be formed when smaller ones collide and merge

4. The biggest black holes lurk at the centre of many galaxies, including our own

5. Astronomers believe that when the universe was very young, black holes affected how galaxies formed

Five expert hiking tips

Always check the weather forecast before setting off

Make sure you have plenty of water

Set off early to avoid sudden weather changes in the afternoon

Wear appropriate clothing and footwear

Take your litter home with you

Name: Brendalle Belaza

From: Crossing Rubber, Philippines

Arrived in the UAE: 2007

Favourite place in Abu Dhabi: NYUAD campus

Favourite photography style: Street photography

Favourite book: Harry Potter

Global state-owned investor ranking by size

1.	United States
2.	China
3.	UAE
4.	Japan
5	Norway
6.	Canada
7.	Singapore
8.	Australia
9.	Saudi Arabia
10.	South Korea

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Classification of skills

A worker is categorised as skilled by the MOHRE based on nine levels given in the International Standard Classification of Occupations (ISCO) issued by the International Labour Organisation.

A skilled worker would be someone at a professional level (levels 1 – 5) which includes managers, professionals, technicians and associate professionals, clerical support workers, and service and sales workers.

The worker must also have an attested educational certificate higher than secondary or an equivalent certification, and earn a monthly salary of at least Dh4,000.